Russell, G. H., Nolan, M. L., & Soare, T. F. Understanding biodiversity.
Lua i Stíl Chicago (17ú heag.)Russell, George H., Mary Lee Nolan, agus Thomas F. Soare. Understanding Biodiversity.
Lua MLA (8ú heag.)Russell, George H., et al. Understanding Biodiversity.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.