Survey, U. S. G. (1977). Ground-water levels in the United States, 1974: Southeastern states. Washington : United States Government Printing Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSurvey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSurvey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.
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