APA stil citiranja
Knak, C. (1979). Diesel motor ships engines and machinery: Diesel motor ships engines and machinery : text. Copenhagen: G. E. C. Gad.
Chicago stil citiranjaKnak, Christen. Diesel motor ships engines and machinery: Diesel motor ships engines and machinery : text. Copenhagen: G. E. C. Gad, 1979.
MLA stil citiranjaKnak, Christen. Diesel motor ships engines and machinery: Diesel motor ships engines and machinery : text. Copenhagen: G. E. C. Gad, 1979.
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