Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), & Nickles, T. (1980). Scientific discovery, logic, and rationality. D. Reidel Pub. Co.
Čikaški stil citiranja (17. izdanje)Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), i Thomas Nickles. Scientific Discovery, Logic, and Rationality. Dordrecht, Holland: D. Reidel Pub. Co, 1980.
MLA način citiranja (9. izdanje)Guy L. Leonard Memorial Conference in Philosophy (1978 : University of Nevada, Reno), i Thomas Nickles. Scientific Discovery, Logic, and Rationality. D. Reidel Pub. Co, 1980.
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