National Water Well Association. (1963). Ground Water. Water Well Journal Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Water Well Association. Ground Water. Dublin, Ohio: Water Well Journal Publishing, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Water Well Association. Ground Water. Water Well Journal Publishing, 1963.
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