Köhler, W. (1938). The place of value in a world of facts: By Wolfgang Köhler. Liveright Publ..
Chicago Style (17. basım) AtıfKöhler, Wolfgang. The Place of Value in a World of Facts: By Wolfgang Köhler. New York: Liveright Publ., 1938.
MLA (8th ed.) AtıfKöhler, Wolfgang. The Place of Value in a World of Facts: By Wolfgang Köhler. Liveright Publ., 1938.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..