Cita APA (7a ed.)

Tom, T. (2003). Environmental and natural Resource (1st edition.). Pearson.

Cita Chicago Style (17a ed.)

Tom, Tietenberg. Environmental and Natural Resource. 1st edition. New Delhi: Pearson, 2003.

Cita MLA (9a ed.)

Tom, Tietenberg. Environmental and Natural Resource. 1st edition. Pearson, 2003.