Hela, I., & Laevastu, T. (1961). Fisheries hydrography: How oceanography and meteorology can and do serve fisheries. Fishing news books.
Chicago-viite (17. p.)Hela, Ilmo, ja Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Londres: Fishing news books, 1961.
MLA-viite (9. p.)Hela, Ilmo, ja Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Fishing news books, 1961.
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