Gaya APA
HARDIYATMO, H, C.
(2019).
MEKANIKA TANAH 2
(
CET. 6)
.
YOGYAKARTA:
UGM PRESS.
Gaya MLA
HARDIYATMO, HARY, CHRISTADY.
"MEKANIKA TANAH 2".
CET. 6
YOGYAKARTA:
UGM PRESS,
2019.
Text.