Gaya APA
Whitman, T, L, D, R, V.
(1969).
Soil Mechanics (Updated)
(
1)
.
New York:
John Wiley & Sons.
Gaya MLA
Whitman, T.William, Lambe, Dan, Robert, V..
"Soil Mechanics (Updated)".
1
New York:
John Wiley & Sons,
1969.
Text.