Cita APA (7a ed.)

Khanna, D. R., & Ajendra Kumar. (2013). Environmental management. Daya Pub. House.

Cita Chicago Style (17a ed.)

Khanna, Dev Raj, y Ajendra Kumar. Environmental Management. New Delhi: Daya Pub. House, 2013.

Cita MLA (8a ed.)

Khanna, Dev Raj, y Ajendra Kumar. Environmental Management. Daya Pub. House, 2013.