APA stil citiranja
Yapp, N. (2001). 1910s: 1910s : decades of the 20th century : Dekaden des 20. Jahrhunderts : decennies du XXe siecle. Köln: Könemann.
Chicago stil citiranjaYapp, Nick. 1910s: 1910s : decades of the 20th century : Dekaden des 20. Jahrhunderts : decennies du XXe siecle. Köln: Könemann, 2001.
MLA stil citiranjaYapp, Nick. 1910s: 1910s : decades of the 20th century : Dekaden des 20. Jahrhunderts : decennies du XXe siecle. Köln: Könemann, 2001.
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