World Health Organization. South - East Asia & World Health Organization. (1999). Essential drugs for primary health care: A manual for health workers in South-East Asia. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. South - East Asia och World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. Geneva: World Health Organization, 1999.
MLA-referens (8:e uppl.)World Health Organization. South - East Asia och World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. World Health Organization, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.