Dyfyniad APA

Winter, R. (1971). Beware of the food you eat. Crown.

Dyfyniad Arddull Chicago

Winter, Ruth. Beware of the Food You Eat. New York: Crown, 1971.

Dyfyniad MLA

Winter, Ruth. Beware of the Food You Eat. Crown, 1971.

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