Cita APA (7th ed.)
ebrary, Inc. (2002). Selected medicinal plants. World Health Organization.
Cita Chicago (17th ed.)
ebrary, Inc. Selected Medicinal Plants. Geneva: World Health Organization, 2002.
Cita MLA (9th ed.)
ebrary, Inc. Selected Medicinal Plants. World Health Organization, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.