APA-referens (7:e uppl.)

Verma, B. (2017). Engineering Geology and Rock Mechanics (04th.). Khanna Publisher.

Chicago-referens (17:e uppl.)

Verma, B.P. Engineering Geology and Rock Mechanics. 04th. New Delhi: Khanna Publisher, 2017.

MLA-referens (9:e uppl.)

Verma, B.P. Engineering Geology and Rock Mechanics. 04th. Khanna Publisher, 2017.