Gaya APA
Hardiyatmo, Hary Christady. (2010).
Mekanika Tanah 2 (6th Ed.).
Yogyakarta:
UGM.
Gaya Chicago
Hardiyatmo, Hary Christady.
Mekanika Tanah 2.
6th Ed.
Yogyakarta:
UGM,
2010.
Text.
Gaya MLA
Hardiyatmo, Hary Christady.
Mekanika Tanah 2.
6th Ed.
Yogyakarta:
UGM,
2010.
Text.
Gaya Turabian
Hardiyatmo, Hary Christady.
Mekanika Tanah 2.
6th Ed.
Yogyakarta:
UGM,
2010.
Print.