Citazione Stile APA (7a Edizione)

Kehew, A. E. (2006). Geology for engineers and environmental scientists (3a. ed.). Pearson Education Inc.

Citazione stile Chigago Style (17a edizione)

Kehew, Alan E. Geology for Engineers and Environmental Scientists. 3a. ed. Upper Saddle River: Pearson Education Inc, 2006.

Citatione MLA (9a ed.)

Kehew, Alan E. Geology for Engineers and Environmental Scientists. 3a. ed. Pearson Education Inc, 2006.