Cita APA

Trivedi P R. (1998). Encyclopaedia of environment,pollution,planning and conservation,Vol.1. APH.

Chicago Edition Citation

Trivedi P R. Encyclopaedia of Environment,pollution,planning and Conservation,Vol.1. New Delhi: APH, 1998.

Cita MLA

Trivedi P R. Encyclopaedia of Environment,pollution,planning and Conservation,Vol.1. APH, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.