Bollinger, M. (1977). Was soll nur aus dir werden?: Max Bollinger. Huber Frauenfeld.
Chicago Style (17. basım) AtıfBollinger, Max. Was Soll Nur Aus Dir Werden?: Max Bollinger. Stuttgart: Huber Frauenfeld, 1977.
MLA (8th ed.) AtıfBollinger, Max. Was Soll Nur Aus Dir Werden?: Max Bollinger. Huber Frauenfeld, 1977.
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