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APA-viite

Geological Society of America. Coal Division, West Virginia University. Department of Geology and Geography, West Virginia Geological and Economic Survey, & Donaldson, A. C. (1969). Some Appalachian coals and carbonates: Models of ancient shallow-water deposition. West Virginia Geological and Economic Survey.

Chicago-tyylinen lähdeviittaus

Geological Society of America. Coal Division, West Virginia University. Department of Geology and Geography, West Virginia Geological and Economic Survey, ja Alan C. Donaldson. Some Appalachian Coals and Carbonates: Models of Ancient Shallow-water Deposition. Morgantown: West Virginia Geological and Economic Survey, 1969.

MLA-viite

Geological Society of America. Coal Division, et al. Some Appalachian Coals and Carbonates: Models of Ancient Shallow-water Deposition. West Virginia Geological and Economic Survey, 1969.

Harvard-tyylinen lähdeviittaus

Geological Society of America. Coal Division, West Virginia University. Department of Geology and Geography, West Virginia Geological and Economic Survey & Donaldson, A. C. 1969. Some Appalachian coals and carbonates: Models of ancient shallow-water deposition. Morgantown: West Virginia Geological and Economic Survey.

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