एपीए उद्धरण

Shukla, S. P. (1997). Planet protection: Biodiversity, conservation, environmental education and degradation and socio- economic development. Mittal Publications.

शिकागो स्टाइल उद्धरण

Shukla, S. P. Planet Protection: Biodiversity, Conservation, Environmental Education and Degradation and Socio- Economic Development. New Delhi: Mittal Publications, 1997.

एमएलए उद्धरण

Shukla, S. P. Planet Protection: Biodiversity, Conservation, Environmental Education and Degradation and Socio- Economic Development. Mittal Publications, 1997.