Cita APA

Blyth, F. G. H., & Freitas, M. H. D. (2006). Geology for Engineers.

Chicago Edition Citation

Blyth, F G H., i M H De Freitas. Geology for Engineers. Amsterdam, Buttorworth- Heineman, 2006.

Cita MLA

Blyth, F G H., i M H De Freitas. Geology for Engineers. 2006.