Cita APA (7th ed.)

Nasrin, D. (1999). Environmental education. APH.

Cita Chicago (17th ed.)

Nasrin, Dr. Environmental Education. New Delhi: APH, 1999.

Cita MLA (9th ed.)

Nasrin, Dr. Environmental Education. APH, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.