Dyfyniad APA

Zaller, J. R. (1992). The nature and origins of mass opinion. Cambridge University Press.

Dyfyniad Arddull Chicago

Zaller, John R. The Nature and Origins of Mass Opinion. Cambridge [Eng.]: Cambridge University Press, 1992.

Dyfyniad MLA

Zaller, John R. The Nature and Origins of Mass Opinion. Cambridge University Press, 1992.

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