Hailwood, E. A., & Dunay, R. E. Non-biostratigraphical Methods of Dating and Correlation. Geological society of London.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHailwood, Ernest A., और Robert E. Dunay. Non-biostratigraphical Methods of Dating and Correlation. London: Geological society of London.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHailwood, Ernest A., और Robert E. Dunay. Non-biostratigraphical Methods of Dating and Correlation. Geological society of London.
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