Gaya APA
Cheng, Y., Lau, C, K. (2008).
Slope Stability Analysis and Stabilization; New Methods and Insight .
New York:
Tayor & Francis Group.
Gaya MLA
Cheng, Y.M.., Lau, C., K..
"Slope Stability Analysis and Stabilization; New Methods and Insight".
New York:
Tayor & Francis Group,
2008.
Text.