Hustrulid, W. A., & Bullock, R. L. (2001). Underground mining methods: Engineering fundamentals and international case studies. Society for Mining, Metallurgy, and Exploration, Inc.
Citazione stile Chigago Style (17a edizione)Hustrulid, William A., e Richard L. Bullock. Underground Mining Methods: Engineering Fundamentals and International Case Studies. Littleton: Society for Mining, Metallurgy, and Exploration, Inc, 2001.
Citatione MLA (9a ed.)Hustrulid, William A., e Richard L. Bullock. Underground Mining Methods: Engineering Fundamentals and International Case Studies. Society for Mining, Metallurgy, and Exploration, Inc, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.