Evans, W. C., Evans, D., & Trease, G. E. (2009). Trease and Evans pharmacognosy (16th ed.). Saunders/Elsevier.
Chicago Style (17. basım) AtıfEvans, William Charles, Daphne Evans, ve George Edward Trease. Trease and Evans Pharmacognosy. 16th ed. Edinburgh, New York: Saunders/Elsevier, 2009.
MLA (9th ed.) AtıfEvans, William Charles, et al. Trease and Evans Pharmacognosy. 16th ed. Saunders/Elsevier, 2009.
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