Παραπομπή APA

Hudson, J. A., Harrison, J. P., & Harrison, J. P. (1997). Engineering rock mechanics: An introduction to the principles. Tarrytown, NY: Pergamon.

Παραπομπή Chicago Style

Hudson, J. A., John P. Harrison, and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. Tarrytown, NY: Pergamon, 1997.

Παραπομπή MLA

Hudson, J. A., John P. Harrison, and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. Tarrytown, NY: Pergamon, 1997.

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