Cita APA

P R Trivedi. (1998). Encyclopaedia of environment, pollution,planning and conservation,Vol.3: Natural resources conservation. APH Publishing corporation.

Chicago Edition Citation

P R Trivedi. Encyclopaedia of Environment, Pollution,planning and Conservation,Vol.3: Natural Resources Conservation. New Delhi: APH Publishing corporation, 1998.

Cita MLA

P R Trivedi. Encyclopaedia of Environment, Pollution,planning and Conservation,Vol.3: Natural Resources Conservation. APH Publishing corporation, 1998.