Dyfyniad APA

Warfel, H. E. (1950). Otter trawl explorations in Philippine waters. U.S. Govt. Print. Off.

Dyfyniad Arddull Chicago

Warfel, Herbert Elmer. Otter Trawl Explorations in Philippine Waters. Washington: U.S. Govt. Print. Off, 1950.

Dyfyniad MLA

Warfel, Herbert Elmer. Otter Trawl Explorations in Philippine Waters. U.S. Govt. Print. Off, 1950.

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