Lua APA (7ú heag.)
Koh, H. L., Chua, T. K., & Tan, C. H. (2009). A guide to medicinal plants: An illustrated, scientific and medicinal approach. World Scientific Pub..
Lua i Stíl Chicago (17ú heag.)
Koh, Hwee Ling, Tung Kian Chua, agus Chay Hoon Tan. A Guide to Medicinal Plants: An Illustrated, Scientific and Medicinal Approach. Singapore: World Scientific Pub., 2009.
Lua MLA (9ú heag.)
Koh, Hwee Ling, et al. A Guide to Medicinal Plants: An Illustrated, Scientific and Medicinal Approach. World Scientific Pub., 2009.
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