Dyfyniad APA

Wardlaw, G. M. (1999). Perspectives in nutrition (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Wardlaw, Gordon M. Perspectives in Nutrition. 4th ed. Boston: McGraw-Hill, 1999.

Dyfyniad MLA

Wardlaw, Gordon M. Perspectives in Nutrition. 4th ed. McGraw-Hill, 1999.

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