Ashlock, R. B. (2010). Error patterns in computation: Using error patterns to help each student learn (10th ed.). Allyn & Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAshlock, Robert B. Error Patterns in Computation: Using Error Patterns to Help Each Student Learn. 10th ed. Boston: Allyn & Bacon, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAshlock, Robert B. Error Patterns in Computation: Using Error Patterns to Help Each Student Learn. 10th ed. Allyn & Bacon, 2010.
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