Παραπομπή σε μορφή APA (7η εκδ.)

Van Wyk, B., & Wink, M. (2004). Medicinal plants of the world: An illustrated scientific guide to important medicinal plants and their uses. Timber Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Van Wyk, Ben-Erik, και Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. Portland: Timber Press, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Van Wyk, Ben-Erik, και Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. Timber Press, 2004.