Citação norma APA
ebrary, Inc, & Edgerton, W. W. (2008). Recommended contract practices for underground construction. Society for Mining, Metallurgy, and Exploration.
Citação norma Chicago
ebrary, Inc, and William W. Edgerton. Recommended Contract Practices for Underground Construction. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2008.
Citação norma MLA
ebrary, Inc, and William W. Edgerton. Recommended Contract Practices for Underground Construction. Society for Mining, Metallurgy, and Exploration, 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.