Gaya APA
Hardiyatmo, C.
(2012).
Mekanika tanah 1
(
Jil: 1; 6th ed)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Christady.
"Mekanika tanah 1".
Jil: 1; 6th ed
Yogyakarta:
Gadjah Mada University Press,
2012.
Printed Book.