Dyfyniad APA
Hartman, H. L., & Mutmansky, J. M. (2002). Introductory mining engineering (2nd ed.). John Wiley & Sons.
Dyfyniad Arddull Chicago
Hartman, Howard L., and Jan M. Mutmansky. Introductory Mining Engineering. 2nd ed. New Delhi: John Wiley & Sons, 2002.
Dyfyniad MLA
Hartman, Howard L., and Jan M. Mutmansky. Introductory Mining Engineering. 2nd ed. John Wiley & Sons, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.