Gaya APA
Hustrulid, W., Kuchta, M. (2006).
Open pit mine planning and design volume 1 (edisi ke-2).
London:
Taylor and Francis.
Gaya MLA
Hustrulid, William., Kuchta, Mark.
"Open pit mine planning and design volume 1".
edisi ke-2
London:
Taylor and Francis,
2006.
Text.