Gaya APA

Kurniawan, P., Hadiuljono, M. (2021). Applied Geotechnics for Engineers Jilid 2 . Yogyakarta: Andi Offset.

Gaya MLA

Kurniawan, Paulus., Hadiuljono, M.Basuki. "Applied Geotechnics for Engineers Jilid 2". Yogyakarta: Andi Offset, 2021. Text.