Dyfyniad APA

Ross, I. A. (1999). Medicinal plants of the world: Chemical constituents, traditional, and modern medicinal uses. Humana Press.

Dyfyniad Arddull Chicago

Ross, Ivan A. Medicinal Plants of the World: Chemical Constituents, Traditional, and Modern Medicinal Uses. Totowa,: Humana Press, 1999.

Dyfyniad MLA

Ross, Ivan A. Medicinal Plants of the World: Chemical Constituents, Traditional, and Modern Medicinal Uses. Humana Press, 1999.

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