Wolrd Health Organization. (2002). WHO monographs on selected medicinal plants. World Health Organization.
Cita Chicago Style (17a ed.)Wolrd Health Organization. WHO Monographs on Selected Medicinal Plants. Geneva: World Health Organization, 2002.
Cita MLA (8a ed.)Wolrd Health Organization. WHO Monographs on Selected Medicinal Plants. World Health Organization, 2002.
Precaución: Estas citas no son 100% exactas.