Cita APA (7th ed.)

Hudson, J. A., & Harrison, J. P. (1997). Engineering rock mechanics: An introduction to the principles (1a. ed.). Pergamon.

Cita Chicago (17th ed.)

Hudson, John A., i John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 1a. ed. Amsterdam: Pergamon, 1997.

Cita MLA (9th ed.)

Hudson, John A., i John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 1a. ed. Pergamon, 1997.