Evans, W. C., Evans, D., & Trease, G. E. Trease and Evans pharmacognosy (Sixteenth edition.).
Lua i Stíl Chicago (17ú heag.)Evans, William Charles, Daphne Evans, agus George Edward Trease. Trease and Evans Pharmacognosy. Sixteenth edition.
Lua MLA (8ú heag.)Evans, William Charles, et al. Trease and Evans Pharmacognosy. Sixteenth edition.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.