Cita APA (7th ed.)
Garg, S. K., & Garg, R. (2006). Sewage disposal and air pollution engineering (18th rev ed.). Khanna Pub.
Cita Chicago (17th ed.)
Garg, Santosh Kumar, i Rajeshwari Garg. Sewage Disposal and Air Pollution Engineering. 18th rev ed. Delhi: Khanna Pub, 2006.
Cita MLA (9th ed.)
Garg, Santosh Kumar, i Rajeshwari Garg. Sewage Disposal and Air Pollution Engineering. 18th rev ed. Khanna Pub, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.