APA استشهاد

Sinha, . K., & Misra, A. (1983). Studies in environmental mathematics. South Asian Publishers.

استشهاد بنمط شيكاغو

Sinha, K., و A. Misra. Studies in Environmental Mathematics. New Delhi: South Asian Publishers, 1983.

MLA استشهاد

Sinha, K., و A. Misra. Studies in Environmental Mathematics. South Asian Publishers, 1983.