Jeffrey, E. C. (1985). The anatomy of woody plants. International Books and Periodicals Supply Service.
Lua i Stíl Chicago (17ú heag.)Jeffrey, Edward Charles. The Anatomy of Woody Plants. New Delhi: International Books and Periodicals Supply Service, 1985.
Lua MLA (9ú heag.)Jeffrey, Edward Charles. The Anatomy of Woody Plants. International Books and Periodicals Supply Service, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.