APA
Wyllie D. C., . (2004). Rock Slope Engineering. : CRC Press.
Chicago
Wyllie Duncan C, . 2004. Rock Slope Engineering. : CRC Press.
Harvard
Wyllie D. C., . (2004). Rock Slope Engineering. : CRC Press.
MLA
Wyllie Duncan C, . Rock Slope Engineering. : CRC Press. 2004.