Gaya APA
Hardiyatmo, Hary Christady. (1992).
Mekanika tanah 1 (text).
Jakarta:
Gramedia putaka utama.
Gaya Chicago
Hardiyatmo, Hary Christady.
Mekanika tanah 1.
text
Jakarta:
Gramedia putaka utama,
1992.
.
Gaya MLA
Hardiyatmo, Hary Christady.
Mekanika tanah 1.
text
Jakarta:
Gramedia putaka utama,
1992.
.
Gaya Turabian
Hardiyatmo, Hary Christady.
Mekanika tanah 1.
text
Jakarta:
Gramedia putaka utama,
1992.
.