Ratkowsky, D. A. (1992). Cross-over experiments: Design analysis and application. Marcel Dekker.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRatkowsky, David A. Cross-over Experiments: Design Analysis and Application. New York: Marcel Dekker, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRatkowsky, David A. Cross-over Experiments: Design Analysis and Application. Marcel Dekker, 1992.
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