Ramstad, E. Modern pharmacognosy.
Lua i Stíl Chicago (17ú heag.)Ramstad, Egil. Modern Pharmacognosy.
Lua MLA (8ú heag.)Ramstad, Egil. Modern Pharmacognosy.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)