Gaya APA
Hardiyatmo, H, C. (2014).
Mekanika Tanah 2. Edisi Kelima (Ed.Ke-5, Cet.2).
Yogyakarta:
Gadja Mada University Press.
Gaya MLA
Hardiyatmo, Hary, Christady.
"Mekanika Tanah 2. Edisi Kelima".
Ed.Ke-5, Cet.2
Yogyakarta:
Gadja Mada University Press,
2014.
Textbook.