APA (7 वां संस्करण) प्रशस्ति पत्र

Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), & Nickles, T. (1980). Scientific discovery, logic, and rationality. D. Reidel Pub. Co.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), और Thomas Nickles. Scientific Discovery, Logic, and Rationality. Dordrecht, Holland: D. Reidel Pub. Co, 1980.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), और Thomas Nickles. Scientific Discovery, Logic, and Rationality. D. Reidel Pub. Co, 1980.

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