The Swede is on-loan at Celtic.
"At the end of the season I'll be a free agent, with no contract," Guidetti explained. "I'm a Celtic player now, it's impossible to say where I'll end up.
"Italy? I was close to Samp[doria], I trained with them at 15, in the Primavera once and in the first team once.
"It was the team with Montella and Cassano, I liked everything, then [Sven-Goran] Eriksson brought me to City.
"I have a lot to thank [Inter Coach Roberto] Mancini for, he gave me my debut in the first team, and advised me to go to Feyenoord.
"He was right, I had my best season in the Netherlands.
"I see that he's spoken about me recently. He's different class, just like he was as a player."
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