Cita APA (7th ed.)

Crawford, J. T., Hustrulid, W. A., & Broadbent, C. (1979). Open pit mine planning and design. American Institute of Mining, Metallurgical, and Petroleum Engineers.

Cita Chicago (17th ed.)

Crawford, John T., William A. Hustrulid, i C.D Broadbent. Open Pit Mine Planning and Design. New York, United States: American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.

Cita MLA (9th ed.)

Crawford, John T., et al. Open Pit Mine Planning and Design. American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.