APA (7 वां संस्करण) प्रशस्ति पत्र

Gibbons, J. (1997). Calculating Functional Programs. School of Computing and Mathematical Sciences‚ Oxford Brookes University.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gibbons, J. Calculating Functional Programs. School of Computing and Mathematical Sciences‚ Oxford Brookes University, 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gibbons, J. Calculating Functional Programs. School of Computing and Mathematical Sciences‚ Oxford Brookes University, 1997.

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