WALTHAM TONY. (2002). FOUNDATIONS OF ENGINEERING GEOLOGY. UNIVERSITY PRESS.
Chicago (17e ed.) BronvermeldingWALTHAM TONY. FOUNDATIONS OF ENGINEERING GEOLOGY. MUMBAI: UNIVERSITY PRESS, 2002.
MLA (9e ed.) BronvermeldingWALTHAM TONY. FOUNDATIONS OF ENGINEERING GEOLOGY. UNIVERSITY PRESS, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.