Khoshoo, T. N. (1988). Environmental concerns and strategies (2nd ed.). Ashish Publishing House.
Dyfyniad Arddull ChicagoKhoshoo, T. N. Environmental Concerns and Strategies. 2nd ed. New Delhi: Ashish Publishing House, 1988.
Dyfyniad MLAKhoshoo, T. N. Environmental Concerns and Strategies. 2nd ed. Ashish Publishing House, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.