SINGH, U. (2020). Pharmacognosy. Ishwar Books.
Lua i Stíl Chicago (17ú heag.)SINGH, Urmila. Pharmacognosy. Ishwar Books, 2020.
Lua MLA (9ú heag.)SINGH, Urmila. Pharmacognosy. Ishwar Books, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.