Dyfyniad APA

WHO. (2001). Evaluation of centain food additivesand contaminants. Geneva.

Dyfyniad Arddull Chicago

WHO. Evaluation of Centain Food Additivesand Contaminants. Geneva, 2001.

Dyfyniad MLA

WHO. Evaluation of Centain Food Additivesand Contaminants. Geneva, 2001.

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