Gaya APA

Kurniawan, P., Hadimuljono, M, B. (2021). Applied geotechnics for engineers 1 (Ed. 1. ; Cet. 25.). Yogyakarta: Andi.

Gaya MLA

Kurniawan, Paulus., Hadimuljono, M., Basuki. "Applied geotechnics for engineers 1". Ed. 1. ; Cet. 25. Yogyakarta: Andi, 2021. Text.