Cita APA (7th ed.)

Ghai, N., & Negi, J. S. (2011). Environmental ethics and philosophy. Cyber Tech Publications.

Cita Chicago (17th ed.)

Ghai, N., i J. S. Negi. Environmental Ethics and Philosophy. New Delhi: Cyber Tech Publications, 2011.

Cita MLA (9th ed.)

Ghai, N., i J. S. Negi. Environmental Ethics and Philosophy. Cyber Tech Publications, 2011.