Gaya APA

W.tang, ., G.eisenbrand, . (1992). Chinese Drugs of Plant Origin : chemistry, pharamcology, and use in traditional and modern medicine . Berlin: German copyrght law.

Gaya MLA

W.tang, ., G.eisenbrand, . "Chinese Drugs of Plant Origin : chemistry, pharamcology, and use in traditional and modern medicine". Berlin: German copyrght law, 1992. Text.