Cita APA (7th ed.)

Pandian, K. L. (2009). Global environmental Problems. ALP Books.

Cita Chicago (17th ed.)

Pandian, K. L. Global Environmental Problems. New Dehli: ALP Books, 2009.

Cita MLA (9th ed.)

Pandian, K. L. Global Environmental Problems. ALP Books, 2009.