APA (7th ed.) Zitazioa
Hartman, H. L. (2002). Introductory Mining Engineering (2nd ed.). John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Hartman, Howard L. Introductory Mining Engineering. 2nd ed. New e Jersey: John Wiley & Sons, 2002.
MLA (9th ed.) Zitazioa
Hartman, Howard L. Introductory Mining Engineering. 2nd ed. John Wiley & Sons, 2002.
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