Perreault, J. (1980). I'm Asking - Does It Exist? What Is It? Whom Is It For? Artforum.
Citazione stile Chigago Style (17a edizione)Perreault, John. "I'm Asking - Does It Exist? What Is It? Whom Is It For?" Artforum 1980.
Citatione MLA (8a ed.)Perreault, John. "I'm Asking - Does It Exist? What Is It? Whom Is It For?" Artforum, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.