Lua APA (7ú heag.)
Chouhan,B.S. Environmental studies / Chouhan,B.S: University Science Press.
Lua i Stíl Chicago (17ú heag.)
Chouhan,B.S. Environmental Studies / Chouhan,B.S: University Science Press.
Lua MLA (9ú heag.)
Chouhan,B.S. Environmental Studies / Chouhan,B.S: University Science Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.