Dyfyniad APA

Spasoff, R. A. (1999). Epidemiologic methods for health policy. Oxford University Press.

Dyfyniad Arddull Chicago

Spasoff, Robert A. Epidemiologic Methods for Health Policy. New York: Oxford University Press, 1999.

Dyfyniad MLA

Spasoff, Robert A. Epidemiologic Methods for Health Policy. Oxford University Press, 1999.

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