Kudielka, R., & Binder, U. (1997). Was ist. Salon Verl..
Citazione stile Chigago Style (17a edizione)Kudielka, Robert, e Ursula Binder. Was Ist. Köln: Salon Verl., 1997.
Citatione MLA (8a ed.)Kudielka, Robert, e Ursula Binder. Was Ist. Salon Verl., 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.