Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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