Citazione Stile APA (7a Edizione)

World Health Organization. (2009). The use of herbal medicines in primary health care. World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization. The Use of Herbal Medicines in Primary Health Care. New Delhi: World Health Organization, 2009.

Citatione MLA (8a ed.)

World Health Organization. The Use of Herbal Medicines in Primary Health Care. World Health Organization, 2009.