Gaya APA
Hardiyatmo, H, C. (2019).
Mekanika Tanah Jilid 1 (Cet 3 Edisi 7).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah Jilid 1".
Cet 3 Edisi 7
Yogyakarta:
Gadjah Mada University Press,
2019.
Non Fiction.