Gaya APA
Karl, T., Ralph, B, P. ().
Soil Mechanics In Enginering Practice (Ed.II).
New York:
A Wiley International Edition.
Gaya MLA
Karl, Terzaghi., Ralph, B., Peck.
"Soil Mechanics In Enginering Practice".
Ed.II
New York:
A Wiley International Edition,
.
Text.