Trease, G. E., & By Evans , W. C. (1971). Pharmacognosy (10th ed.). Bailliere Tindall.
Chicago Style (17. basım) AtıfTrease, George Edward, ve William Charles By Evans. Pharmacognosy. 10th ed. London: Bailliere Tindall, 1971.
MLA (9th ed.) AtıfTrease, George Edward, ve William Charles By Evans. Pharmacognosy. 10th ed. Bailliere Tindall, 1971.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..