WALTHAM TONY. (2002). FOUNDATIONS OF ENGINEERING GEOLOGY. UNIVERSITY PRESS.
Čikaški stil citiranja (17. izdanje)WALTHAM TONY. FOUNDATIONS OF ENGINEERING GEOLOGY. MUMBAI: UNIVERSITY PRESS, 2002.
MLA način citiranja (9. izdanje)WALTHAM TONY. FOUNDATIONS OF ENGINEERING GEOLOGY. UNIVERSITY PRESS, 2002.
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