Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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