APA استشهاد

Shukla, S., & Srivastava, P. (1992). Human environment: An analysis. Common Wealth.

استشهاد بنمط شيكاغو

Shukla, S.K, و P.R Srivastava. Human Environment: An Analysis. New Delhi: Common Wealth, 1992.

MLA استشهاد

Shukla, S.K, و P.R Srivastava. Human Environment: An Analysis. Common Wealth, 1992.