Gaya APA
Mitchell, R.J.. (1983).
Earth Structures Engineering .
:
Allen and Unwin.
Gaya Chicago
Mitchell, R.J..
Earth Structures Engineering.
:
Allen and Unwin,
1983.
Text.
Gaya MLA
Mitchell, R.J..
Earth Structures Engineering.
:
Allen and Unwin,
1983.
Text.
Gaya Turabian
Mitchell, R.J..
Earth Structures Engineering.
:
Allen and Unwin,
1983.
Print.