Dyfyniad APA

WHO. (2002). Evaluation of certain food additives and contaminants. Geneva.

Dyfyniad Arddull Chicago

WHO. Evaluation of Certain Food Additives and Contaminants. Geneva, 2002.

Dyfyniad MLA

WHO. Evaluation of Certain Food Additives and Contaminants. Geneva, 2002.

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