Ruesch, J. Duodenal ulcer: A sociopsychological study of naval enlisted personnel and civilians.
Čikaški stil citiranja (17. izdanje)Ruesch, Jurgen. Duodenal Ulcer: A Sociopsychological Study of Naval Enlisted Personnel and Civilians.
MLA način citiranja (8. izdanje)Ruesch, Jurgen. Duodenal Ulcer: A Sociopsychological Study of Naval Enlisted Personnel and Civilians.
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