Dyfyniad APA

(1998). Basic test for drugs: Pharmaceutical substances, medicinal plant materials and dosage forms. World Health Organisation.

Dyfyniad Arddull Chicago

Basic Test for Drugs: Pharmaceutical Substances, Medicinal Plant Materials and Dosage Forms. Geneva: World Health Organisation, 1998.

Dyfyniad MLA

Basic Test for Drugs: Pharmaceutical Substances, Medicinal Plant Materials and Dosage Forms. World Health Organisation, 1998.

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