APA (7th ed.) Zitazioa

Sharma ,Prem V. (1997). Environmental and engineering geophysics. Univ. pr..

Chicago Style (17th ed.) Zitazioa

Sharma ,Prem V. Environmental and Engineering Geophysics. Cambridge: Univ. pr., 1997.

MLA (9th ed.) Zitazioa

Sharma ,Prem V. Environmental and Engineering Geophysics. Univ. pr., 1997.