Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

World Health Organization. South - East Asia i World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. Geneva: World Health Organization, 1999.

Cita MLA (8th ed.)

World Health Organization. South - East Asia i World Health Organization. Essential Drugs for Primary Health Care: A Manual for Health Workers in South-East Asia. World Health Organization, 1999.