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,SME.
Cita Chicago (17th ed.)
Hustrulid, William A., i Richard L. Bullock. Underground Mining Methods: Engineering Fundamentals and International Case Studies. United States: Society for Mining,Metallurgy and Exploration,SME, 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,SME, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.