Dyfyniad APA
Garg, S. K., & Garg, R. (2009). Sewage disposal and air pollution engineering (22nd ed.). Khanna Pub.
Dyfyniad Arddull Chicago
Garg, Santosh Kumar, and Rajeshwari Garg. Sewage Disposal and Air Pollution Engineering. 22nd ed. Delhi: Khanna Pub, 2009.
Dyfyniad MLA
Garg, Santosh Kumar, and Rajeshwari Garg. Sewage Disposal and Air Pollution Engineering. 22nd ed. Khanna Pub, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.