Cita APA (7th ed.)

Hustrulid, W. A., & Bullock, R. L. (2001). Underground mining methods: Engineering fundamentals and international case studies. Society for Mining, Metallurgy, and Exploration, Inc.

Cita Chicago (17th ed.)

Hustrulid, William A., i Richard L. Bullock. Underground Mining Methods: Engineering Fundamentals and International Case Studies. Littleton: Society for Mining, Metallurgy, and Exploration, Inc, 2001.

Cita MLA (9th ed.)

Hustrulid, William A., i Richard L. Bullock. Underground Mining Methods: Engineering Fundamentals and International Case Studies. Society for Mining, Metallurgy, and Exploration, Inc, 2001.