Gaya APA

HUSTRULID, W, A, M, M, K, Z, D, J. (2000). Slopestability in surface mining . : Society for Mining, Metallurgy and Exploration Inc.

Gaya MLA

HUSTRULID, William, A.;, MCCARTER,, Michael, K.;, ZYL,, Dirk, J.A.Van. "Slopestability in surface mining". : Society for Mining, Metallurgy and Exploration Inc, 2000. Buku.