Dyfyniad APA

FAO. (1971). Pollution: : an international problem for fisheries. The Author.

Dyfyniad Arddull Chicago

FAO. Pollution: : An International Problem for Fisheries. Rome: The Author, 1971.

Dyfyniad MLA

FAO. Pollution: : An International Problem for Fisheries. The Author, 1971.

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