APA ציטוט

Bell , F. G. (2007). Engineering geology (2nd ed.). Butterworth Heinemann.

Chicago Style (17th ed.) Citation

Bell , F. G. Engineering Geology. 2nd ed. Oxford: Butterworth Heinemann, 2007.

ציטוט MLA

Bell , F. G. Engineering Geology. 2nd ed. Butterworth Heinemann, 2007.