APA استشهاد

(1997). WHO Model Prescribing Information. Drugs Used in Skin Diseases. World Health Organisation.

استشهاد بنمط شيكاغو

WHO Model Prescribing Information. Drugs Used in Skin Diseases. Geneva: World Health Organisation, 1997.

MLA استشهاد

WHO Model Prescribing Information. Drugs Used in Skin Diseases. World Health Organisation, 1997.