Παραπομπή APA

Van Wyk, B., & Wink, M. (2009). Medicinal plants of the world: An illustrated scientific guide to important medicinal plants and their uses. Briza.

Παραπομπή Chicago Style

Van Wyk, Ben-Erik, και Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. Pretoria: Briza, 2009.

Παραπομπή MLA

Van Wyk, Ben-Erik, και Michael Wink. Medicinal Plants of the World: An Illustrated Scientific Guide to Important Medicinal Plants and Their Uses. Briza, 2009.