Gaya APA

Darling, P. (2011). SME Mining Engineering Handbook, Third Edition 2 . United States of America: Society for Mining, Metallurgy, and Exploration (SME).

Gaya MLA

Darling, Petter. "SME Mining Engineering Handbook, Third Edition 2". United States of America: Society for Mining, Metallurgy, and Exploration (SME), 2011. Text.