Vetter, R. C. (1974). Oceanography: The last frontier. Voice of America.
Lua i Stíl Chicago (17ú heag.)Vetter, Richard C. Oceanography: The Last Frontier. Washington, D. C: Voice of America, 1974.
Lua MLA (9ú heag.)Vetter, Richard C. Oceanography: The Last Frontier. Voice of America, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.