Shukla, S., & Srivastava, P. (1992). Human environment: An analysis. Common Wealth.
Dyfyniad Arddull ChicagoShukla, S.K, and P.R Srivastava. Human Environment: An Analysis. New Delhi: Common Wealth, 1992.
Dyfyniad MLAShukla, S.K, and P.R Srivastava. Human Environment: An Analysis. Common Wealth, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.