Gaya APA

Hardiyatmo, H, C. (2018). mekanika tanah 2 (Ed.6;cet.1). Yogyakarta: Gadjah Mada Universty Pess..

Gaya MLA

Hardiyatmo, Hary, Christady. "mekanika tanah 2". Ed.6;cet.1 Yogyakarta: Gadjah Mada Universty Pess., 2018. Text.