Citazione APA

Chhatwal G R. (1998). Encyclopaedia of Environmental Education (v.2). Anmol.

Stile di citazione Chicago

Chhatwal G R. Encyclopaedia of Environmental Education (v.2). New Delhi: Anmol, 1998.

Citazione MLA

Chhatwal G R. Encyclopaedia of Environmental Education (v.2). Anmol, 1998.