Dyfyniad APA

American Public Health Association. (1970). Recommended procedures for the examination of sea water and shellfish.

Dyfyniad Arddull Chicago

American Public Health Association. Recommended Procedures for the Examination of Sea Water and Shellfish. New York, 1970.

Dyfyniad MLA

American Public Health Association. Recommended Procedures for the Examination of Sea Water and Shellfish. 1970.

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