Gaya APA

Kurniawan, P. (2021). Applied Geotechnics For Engineers Jil. 1 (Ed. 1). Yogyakarta, DIY: Andi Yogyakarta.

Gaya MLA

Kurniawan, Paulus. "Applied Geotechnics For Engineers Jil. 1". Ed. 1 Yogyakarta, DIY: Andi Yogyakarta, 2021. Text.