Wahl, K. D., Harris, W. F., & Jefferson, P. O. (1971). Water resources and geology of Winston County, Alabama. Division of Water Resources.
Citazione stile Chigago Style (17a edizione)Wahl, Kenneth D., Wiley F. Harris, e Patrick O. Jefferson. Water Resources and Geology of Winston County, Alabama. University, Ala.: Division of Water Resources, 1971.
Citatione MLA (8a ed.)Wahl, Kenneth D., et al. Water Resources and Geology of Winston County, Alabama. Division of Water Resources, 1971.
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