Bollinger, M. (1977). Was soll nur aus dir werden?: Max Bollinger. Huber Frauenfeld.
Citazione stile Chigago Style (17a edizione)Bollinger, Max. Was Soll Nur Aus Dir Werden?: Max Bollinger. Stuttgart: Huber Frauenfeld, 1977.
Citatione MLA (8a ed.)Bollinger, Max. Was Soll Nur Aus Dir Werden?: Max Bollinger. Huber Frauenfeld, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.