With the Serbia striker's deal running down this season, Bonetti insists he will be too difficult to replace if Vlahovic is allowed to leave this summer.
He said on Radio Bianconera: "Dusan Vlahovic's permanence will depend on the mutual intentions between the player and the club: it will be crucial to understand whether the striker feels full trust around him.
"Dusan remains a top-class centre-forward, not easy to replace, especially for a Juventus team that has shown clear struggles in attack. With him already in the squad, the club would be wise to focus on him again."
After last night's 3-3 draw with Roma, Bonetti also said: "In recent years, Juventus has changed too many coaches and numerous players, investing significant sums without achieving consistency.
"While we understand how important results are, patience has been lacking, and the management seems to be showing signs of confusion.
"Every change on the bench means a new beginning, and given the performances—albeit accompanied by inconsistent results—it would be appropriate to keep (Luciano) Spalletti in place."