Dyfyniad APA

Zisk, B. H. (1969). American political interest groups: Readings in theory and research. Wadsworth.

Dyfyniad Arddull Chicago

Zisk, Betty H. American Political Interest Groups: Readings in Theory and Research. Belmont, Calif: Wadsworth, 1969.

Dyfyniad MLA

Zisk, Betty H. American Political Interest Groups: Readings in Theory and Research. Wadsworth, 1969.

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