APA
DasSivakugan, . (01012019). Si Principles Of Foundation Engineering. : Cengage.
Chicago
DasSivakugan, . 01012019. Si Principles Of Foundation Engineering. : Cengage.
Harvard
DasSivakugan, . (01012019). Si Principles Of Foundation Engineering. : Cengage.
MLA
DasSivakugan, . Si Principles Of Foundation Engineering. : Cengage. 01012019.