Graves, R. (1945). Hercules: My shipmate. Grosset's Universal.
Chicago-čujuhus (17. p.)Graves, Robert. Hercules: My Shipmate. New York: Grosset's Universal, 1945.
MLA-čujuhus (9. p.)Graves, Robert. Hercules: My Shipmate. Grosset's Universal, 1945.
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