Dyfyniad APA

Zenkevitch,L. (1963). Biology of the seas of the U.S.S.R. Interscience publishers.

Dyfyniad Arddull Chicago

Zenkevitch,L. Biology of the Seas of the U.S.S.R. New york: Interscience publishers, 1963.

Dyfyniad MLA

Zenkevitch,L. Biology of the Seas of the U.S.S.R. Interscience publishers, 1963.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.