Lua APA (7ú heag.)

Gopal, N. (2008). Business Environment. McGraw Hill.

Lua i Stíl Chicago (17ú heag.)

Gopal, Namita. Business Environment. Chennai: McGraw Hill, 2008.

Lua MLA (9ú heag.)

Gopal, Namita. Business Environment. McGraw Hill, 2008.

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