Wolrd Health Organization. (2002). WHO monographs on selected medicinal plants. World Health Organization.
Citação norma ChicagoWolrd Health Organization. WHO Monographs on Selected Medicinal Plants. Geneva: World Health Organization, 2002.
Citação norma MLAWolrd Health Organization. WHO Monographs on Selected Medicinal Plants. World Health Organization, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.