Gaya APA

Singh.Bhawani,Goel.R.K, . (2011). Engineering Rock Mass Classification tunneling, foundations, and landslides (E-Book) . United States of America: Elsevier Inc.

Gaya MLA

Singh.Bhawani,Goel.R.K, . "Engineering Rock Mass Classification tunneling, foundations, and landslides (E-Book)". United States of America: Elsevier Inc, 2011. E-book.