APA Style
JOHNSON, Robert B., DEGRAFF, Jerome V.. (1988).
Principles of Engineering Geology .
NEW YORK:
John Wiley & Sons.
Chicago Style
JOHNSON, Robert B., DEGRAFF, Jerome V..
Principles of Engineering Geology.
NEW YORK:
John Wiley & Sons,
1988.
Teks Book.
MLA Style
JOHNSON, Robert B., DEGRAFF, Jerome V..
Principles of Engineering Geology.
NEW YORK:
John Wiley & Sons,
1988.
Teks Book.
Turabian Style
JOHNSON, Robert B., DEGRAFF, Jerome V..
Principles of Engineering Geology.
NEW YORK:
John Wiley & Sons,
1988.
Teks Book.