Dyfyniad APA

Jefford, C. W. (1988). Pharmaceuticals and the sea. Technomic Publishing Company.

Dyfyniad Arddull Chicago

Jefford, Charles W. Pharmaceuticals and the Sea. Lancaster: Technomic Publishing Company, 1988.

Dyfyniad MLA

Jefford, Charles W. Pharmaceuticals and the Sea. Technomic Publishing Company, 1988.

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