Friedmann, W. (1971). The Future of the Oceans. Vakils, Feffer and Simons.
Čikaški stil citiranjaFriedmann, Wolfganc. The Future of the Oceans. Bombay: Vakils, Feffer and Simons, 1971.
MLA način citiranjaFriedmann, Wolfganc. The Future of the Oceans. Vakils, Feffer and Simons, 1971.
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