Prouty, W. F. (1916). Preliminary report on the crystalline and other marbles of Alabama. Geological Survey of Alabama.
Chicago-viite (17. p.)Prouty, William F. Preliminary Report on the Crystalline and Other Marbles of Alabama. University, Ala.: Geological Survey of Alabama, 1916.
MLA-viite (8. p.)Prouty, William F. Preliminary Report on the Crystalline and Other Marbles of Alabama. Geological Survey of Alabama, 1916.
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