Gaya APA
Hardiyatmo, H, C. (2018).
Mekanika Tanah 2 Edisi Keenam (Cet 1 Ed 6).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah 2 Edisi Keenam".
Cet 1 Ed 6
Yogyakarta:
Gadjah Mada University Press,
2018.
Text.