Gaya APA
HARDIYATMO, H, C.
(2019).
MEKANIKA TANAH 1
(
ED. 7)
.
YOGYAKARTA:
UGM PRESS.
Gaya MLA
HARDIYATMO, HARY, CHRISTADY.
"MEKANIKA TANAH 1".
ED. 7
YOGYAKARTA:
UGM PRESS,
2019.
Text.