Gaya APA

Risky, P, K, B, H, ;, E, G. (2021). Applied geotechnics for engineers (jilid 1, cetakan pertama, 2020). Yogyakarta: ANDI.

Gaya MLA

Risky, Paulus, Kurniawan,, Basuki, Hadimuljono, ;, Editor,, Giovanny. "Applied geotechnics for engineers". jilid 1, cetakan pertama, 2020 Yogyakarta: ANDI, 2021. Text.