Trease, G. E., & By Evans , W. C. (1971). Pharmacognosy (10th ed.). Bailliere Tindall.
Chicago-čujuhus (17. p.)Trease, George Edward, juo William Charles By Evans. Pharmacognosy. 10th ed. London: Bailliere Tindall, 1971.
MLA-čujuhus (9. p.)Trease, George Edward, juo William Charles By Evans. Pharmacognosy. 10th ed. Bailliere Tindall, 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.