एपीए उद्धरण

Kumar, A. (2008). Environmetal awareness. Daya Publishing.

शिकागो स्टाइल उद्धरण

Kumar, Arvind. Environmetal Awareness. Delhi: Daya Publishing, 2008.

एमएलए उद्धरण

Kumar, Arvind. Environmetal Awareness. Daya Publishing, 2008.