Evans, W. C., Trease, G. E., & Evans, D. (2002). Trease and Evans' pharmacognosy (15th ed.). WB Saunders ; Elsevier.
Lua i Stíl Chicago (17ú heag.)Evans, William Charles, George Edward Trease, agus Daphne Evans. Trease and Evans' Pharmacognosy. 15th ed. Edinburgh ; New York : New Delhi: WB Saunders ; Elsevier, 2002.
Lua MLA (8ú heag.)Evans, William Charles, et al. Trease and Evans' Pharmacognosy. 15th ed. WB Saunders ; Elsevier, 2002.
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