Chairman Huw Jenkins admitted last week that the club are open to selling the striker - who score 17 goals las season - this summer, but previously hit out at Liverpool for talking to Bony "behind the club's back".
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"We saw a very good Wilfried last season but with the work ethic he has and what we're trying to do I think he can be even better this year," Monk told Wales Online.
"If he listens to what we're telling him - and he does, because he's a great guy and a great person to work with - you'll see a better Bony.
"I'm not counting down the days to the end of the window or anything like that. There's nothing you can do about speculation.
"Unless there's a concrete offer that we think is good for us and we want to do business, it doesn't matter. Even then, we're in control - so all of that doesn't matter, because it's speculation - Wilfried's our player."
Meanwhile, despite already recruiting Gylfi Sigurdsson and Jefferson Montero, Monk is keen to add midfield reinforcements following injuries to Leon Britton and Jay Fulton.
He added: "All you can do is see who is realistically available and then prioritise from there. I could say I want a midfielder but if I can't get the right one, the next priority is somewhere else.
"I am constantly looking at all the positions and it's whatever becomes available we will decide on.
"We are trying to work on a few things but the only people who will come in are people who want to be here. It will not be a rush job - it will be people who can contribute to the squad."