APA-viite (7. p.)
World Health Organization & ebrary, Inc. (2003). WHO guidelines on good agricultural and collection practices [GACP] for medicinal plants. WHO.
Chicago-viite (17. p.)
World Health Organization ja Inc ebrary. WHO Guidelines on Good Agricultural and Collection Practices [GACP] for Medicinal Plants. Geneva: WHO, 2003.
MLA-viite (9. p.)
World Health Organization ja Inc ebrary. WHO Guidelines on Good Agricultural and Collection Practices [GACP] for Medicinal Plants. WHO, 2003.
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