APA Citatie

Bell, F. G. (2007). Basic enviornmental and engineering geology. Whittles Publishing.

Chicago Style citaat

Bell, F G. Basic Enviornmental and Engineering Geology. U. K: Whittles Publishing, 2007.

MLA citatie

Bell, F G. Basic Enviornmental and Engineering Geology. Whittles Publishing, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.