Gaya APA
Koerner, R, M., Raymond, E, L. (1985).
Construction and geotechnical methods in foundation engineering / Robert M. Koener; Editor: Raymond E. Levitt (Ed.International).
New York:
McGraw-Hill book company.
Gaya MLA
Koerner, Robert, M.., Raymond, E., Levitt.
"Construction and geotechnical methods in foundation engineering / Robert M. Koener; Editor: Raymond E. Levitt".
Ed.International
New York:
McGraw-Hill book company,
1985.
Textbook.