Frump, R. (2003). Until the sea shall free them: Life, death, and survival in the Merchant Marine. Arrow Books.
Chicago Style (17. basım) AtıfFrump, Robert. Until the Sea Shall Free Them: Life, Death, and Survival in the Merchant Marine. United Kingdom: Arrow Books, 2003.
MLA (9th ed.) AtıfFrump, Robert. Until the Sea Shall Free Them: Life, Death, and Survival in the Merchant Marine. Arrow Books, 2003.
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