APA ציטוט

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

Chicago Style (17th ed.) Citation

Bell, F. G. Engineering Geology. 2nd ed. Amsterdam: Elsevier, 2007.

ציטוט MLA

Bell, F. G. Engineering Geology. 2nd ed. Elsevier, 2007.