KESAVULU N C. (2014). Textbook of Engineering Geology (2nd.). TRINITY PRESS.
Čikaški stil citiranja (17. izdanje)KESAVULU N C. Textbook of Engineering Geology. 2nd. NEW DELHI: TRINITY PRESS, 2014.
MLA način citiranja (9. izdanje)KESAVULU N C. Textbook of Engineering Geology. 2nd. TRINITY PRESS, 2014.
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