Indian institute of, E. a. e. (1995). International encyclopaedia of ecology and environment Vol 13. IIEE.
Lua i Stíl Chicago (17ú heag.)Indian institute of, Ecology and environment. International Encyclopaedia of Ecology and Environment Vol 13. New delhi: IIEE, 1995.
Lua MLA (9ú heag.)Indian institute of, Ecology and environment. International Encyclopaedia of Ecology and Environment Vol 13. IIEE, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.