Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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