Gaya APA

Nicolls, R. A.. (1990). Slope Stability and Protection . : REAAA.

Gaya Chicago

Nicolls, R. A.. Slope Stability and Protection. : REAAA, 1990. Computer Software.

Gaya MLA

Nicolls, R. A.. Slope Stability and Protection. : REAAA, 1990. Computer Software.

Gaya Turabian

Nicolls, R. A.. Slope Stability and Protection. : REAAA, 1990. Computer Software.