Παραπομπή APA

Chitkara, M. (1998). Encyclopaedia of ecology, environment and pollution: Vol-ix the wildlife alongwith the wildlife (protection)act, 1972. APH Publishing.

Παραπομπή Chicago Style

Chitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-ix the Wildlife Alongwith the Wildlife (protection)act, 1972. New Delhi: APH Publishing, 1998.

Παραπομπή MLA

Chitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-ix the Wildlife Alongwith the Wildlife (protection)act, 1972. APH Publishing, 1998.