Felipe Massa says he is likely to end his F1 career at Williams after feeling the team "really respects" him.

Williams announced at the Italian Grand Prix that it would be retaining its current driver line-up for next year, with Massa understood to have a three-year deal. Speaking during an exclusive with Crash.net in Singapore, Massa said he feels much happier at Williams than he did in later years at Ferrari and doesn't expect to race for another team.

"I don't know how long I will stay here, so I think maybe it can be my last team, definitely... I think it will be my last team," Massa said. "I don't know when it will happen - the time to stop - but for sure I am a happy man and I want to be racing as long as I am at the top level.

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"I hope I will stay for another two or three years or maybe more but I don't know. I'm not thinking too far ahead, I'm enjoying my time now and I hope I can still enjoy myself for another two or three years and then maybe it's the time."

And Massa said the respect at Williams - something that he felt had disappeared at Ferrari - is important to getting the best out of him.

"You feel better. I don't see myself as a leader, I just feel that everything I say, people are listening and people are doing. It needs to be like that and it's something I lost a little bit at Ferrari. For me this is important, not because you are having better or worse results than your team-mate but because it's important for the team anyway.

"So I feel that the team really, really respects me and supports me at the top level, and I think that's important for the team, not just to help me but if they help me they help the team. It's not that the team does some things differently for me or for Valtteri, it's just something that they are doing which is best for the team and they listened to everybody. I think that's important."

Asked if Ferrari didn't respect him, Massa replied: "It's something that they changed, a little bit. Yeah."