Παραπομπή APA
Hudson, J., & Harrison, J. P. (2005). Engineering rock mechanics: An introduction to the principles (3rd impression.). Tarrytown, N.Y.: Pergamon.
Παραπομπή Chicago StyleHudson, John, and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 3rd impression. Tarrytown, N.Y.: Pergamon, 2005.
Παραπομπή MLAHudson, John, and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 3rd impression. Tarrytown, N.Y.: Pergamon, 2005.
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