Gaya APA
Punmia, D, B. et al
(2018).
Soil Mechanics and Foundations
(
1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Punmia, Dr., B.C.. et al.
"Soil Mechanics and Foundations".
1
Yogyakarta:
Penerbit Andi,
2018.
Text.