APA aipamena

Bell, F. (2005). Fundamentals of engineering geology. BS Publications.

Chicago Style aipamena

Bell, F.G. Fundamentals of Engineering Geology. Hyderabad: BS Publications, 2005.

MLA aipamena

Bell, F.G. Fundamentals of Engineering Geology. BS Publications, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.