Verma, B. (2017). Engineering Geology and Rock Mechanics (04th.). Khanna Publisher.
Citazione stile Chigago Style (17a edizione)Verma, B.P. Engineering Geology and Rock Mechanics. 04th. New Delhi: Khanna Publisher, 2017.
Citatione MLA (9a ed.)Verma, B.P. Engineering Geology and Rock Mechanics. 04th. Khanna Publisher, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.