Cita APA (7th ed.)

ebrary, Inc, & Zhu, Y. (2007). Natural products: Essential resources for human survival. World Scientific.

Cita Chicago (17th ed.)

ebrary, Inc, i Yi-Zhun Zhu. Natural Products: Essential Resources for Human Survival. New Jersey: World Scientific, 2007.

Cita MLA (9th ed.)

ebrary, Inc, i Yi-Zhun Zhu. Natural Products: Essential Resources for Human Survival. World Scientific, 2007.