Gaya APA

HARDIYATMO, H, C. (2002/12). Mekanika tanah 1 . Yogyakarta: Gajah Mada Universitas Press.

Gaya MLA

HARDIYATMO, Hary, Christady. "Mekanika tanah 1". Yogyakarta: Gajah Mada Universitas Press, 2002/12. Printed Book.