Παραπομπή σε μορφή APA (7η εκδ.)

Hela, I., & Laevastu, T. (1961). Fisheries hydrography: How oceanography and meteorology can and do serve fisheries. Fishing news books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hela, Ilmo, και Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Londres: Fishing news books, 1961.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hela, Ilmo, και Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Fishing news books, 1961.