Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

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