Gaya APA
HARDIYATMO, H, C.
(2018).
MEKANIK TANAH 2 Edisi Keenam
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
HARDIYATMO, HARI, CHRISTADY.
"MEKANIK TANAH 2 Edisi Keenam".
Yogyakarta:
Gadjah Mada University Press,
2018.
Text.