Gaya APA
Engineering Principles of Ground Modification. (1990).
Singapore:
.
Gaya Chicago
Engineering Principles of Ground Modification.
.
Singapore:
,
1990.
.
Gaya MLA
Engineering Principles of Ground Modification.
.
Singapore:
,
1990.
.
Gaya Turabian
Engineering Principles of Ground Modification.
Singapore:
,
1990.
.