Gaya APA

Kurniawan, P., Hadimuljono, M, B. (2021). Applied Geotechnics for Engineers 2 (1). Yogyakarta: Andi .

Gaya MLA

Kurniawan, Paulus., Hadimuljono, M., Basuki. "Applied Geotechnics for Engineers 2". 1 Yogyakarta: Andi , 2021. Text.