APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.