Dyfyniad APA

Cohen, M. R. (1959). Reason and nature: An essay on the meaning of scientific method (2nd ed.).

Dyfyniad Arddull Chicago

Cohen, Morris R. Reason and Nature: An Essay on the Meaning of Scientific Method. 2nd ed. 1959.

Dyfyniad MLA

Cohen, Morris R. Reason and Nature: An Essay on the Meaning of Scientific Method. 2nd ed. 1959.

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