Lua APA (7ú heag.)

Singh, A. (2003). Encyclopedia of teaching of environmental sciences, Vol. 2. Anmol.

Lua i Stíl Chicago (17ú heag.)

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. NewDelhi: Anmol, 2003.

Lua MLA (9ú heag.)

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. Anmol, 2003.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.