APA
Garg S., . (2016). Sewage Disposal and air Pollution Engg. : N.Delhi,Khanna.
Chicago
Garg S.K, . 2016. Sewage Disposal and air Pollution Engg. : N.Delhi,Khanna.
Harvard
Garg S., . (2016). Sewage Disposal and air Pollution Engg. : N.Delhi,Khanna.
MLA
Garg S.K, . Sewage Disposal and air Pollution Engg. : N.Delhi,Khanna. 2016.