Citazione Stile APA (7a Edizione)

Dunbar, W. S. (2016). How mining works. Society for Mining, Metallurgy & Exploration.

Citazione stile Chigago Style (17a edizione)

Dunbar, W. Scott. How Mining Works. Englewood, Colorado: Society for Mining, Metallurgy & Exploration, 2016.

Citatione MLA (9a ed.)

Dunbar, W. Scott. How Mining Works. Society for Mining, Metallurgy & Exploration, 2016.