Lua APA (7ú heag.)
Tams, W. P., & Eller, R. D. (2001). The smokeless coal fields of West Virginia: A brief history (2nd ed.). West Virginia University Press.
Lua i Stíl Chicago (17ú heag.)
Tams, W. P., agus Ronald D. Eller. The Smokeless Coal Fields of West Virginia: A Brief History. 2nd ed. Morgantown, W. Va.: West Virginia University Press, 2001.
Lua MLA (9ú heag.)
Tams, W. P., agus Ronald D. Eller. The Smokeless Coal Fields of West Virginia: A Brief History. 2nd ed. West Virginia University Press, 2001.
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