Crumpe, S. (1968). An essay onthe best means of providing employment for the people. 2nd ed. A.M. Kelley.
Chicago Style (17. basım) AtıfCrumpe, Samuel. An Essay Onthe Best Means of Providing Employment for the People. 2nd Ed. New York: A.M. Kelley, 1968.
MLA (9th ed.) AtıfCrumpe, Samuel. An Essay Onthe Best Means of Providing Employment for the People. 2nd Ed. A.M. Kelley, 1968.
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