Gaya APA

Hartman, H, L., Mutmansky, J, M. (2002). Introductory mining engineering (Ed. 2). New Jersey: John Wiley & Sons.

Gaya MLA

Hartman, Howard, L.., Mutmansky, Jan, M.. "Introductory mining engineering". Ed. 2 New Jersey: John Wiley & Sons, 2002. Text.