Dyfyniad APA

Cambrige Scientific Abstracts. (1971). Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic poiiution and environmental quality. Cambridge Scienetific Abstracts.

Dyfyniad Arddull Chicago

Cambrige Scientific Abstracts. Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic Poiiution and Environmental Quality. Cambridge: Cambridge Scienetific Abstracts, 1971.

Dyfyniad MLA

Cambrige Scientific Abstracts. Aquatic Sciences and Fisheries Abstracts: ASFA 3:Aquatic Poiiution and Environmental Quality. Cambridge Scienetific Abstracts, 1971.

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