Gaya APA
Principles of foundation engineering. (1999).
:
PWS publising.
Gaya Chicago
Principles of foundation engineering.
.
:
PWS publising,
1999.
.
Gaya MLA
Principles of foundation engineering.
.
:
PWS publising,
1999.
.
Gaya Turabian
Principles of foundation engineering.
:
PWS publising,
1999.
.