SCOPE/UNEP International Nitrogen Unit, Robertson, G. P., Herrera, R., & Rosswall, T. (1982). Nitrogen cycling in Latin American and Caribbean ecosystems. Nijhoff/Dr. W. Junk Publishers.
Lua i Stíl Chicago (17ú heag.)SCOPE/UNEP International Nitrogen Unit, G. P. Robertson, R. Herrera, agus T. Rosswall. Nitrogen Cycling in Latin American and Caribbean Ecosystems. The Hague: Nijhoff/Dr. W. Junk Publishers, 1982.
Lua MLA (9ú heag.)SCOPE/UNEP International Nitrogen Unit, et al. Nitrogen Cycling in Latin American and Caribbean Ecosystems. Nijhoff/Dr. W. Junk Publishers, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.