Dyfyniad APA

Nagel, S. S., & Mills, M. K. (1993). Professional developments in policy studies. Greenwood Press.

Dyfyniad Arddull Chicago

Nagel, Stuart S., and Miriam K. Mills. Professional Developments in Policy Studies. Westport, Conn: Greenwood Press, 1993.

Dyfyniad MLA

Nagel, Stuart S., and Miriam K. Mills. Professional Developments in Policy Studies. Greenwood Press, 1993.

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