Dyfyniad APA

Riddle, D. H., & Cleary, R. E. (1966). Political science in the social studies. National Council for the Social Studies.

Dyfyniad Arddull Chicago

Riddle, Donald H., and Robert E. Cleary. Political Science in the Social Studies. Washington, D.C: National Council for the Social Studies, 1966.

Dyfyniad MLA

Riddle, Donald H., and Robert E. Cleary. Political Science in the Social Studies. National Council for the Social Studies, 1966.

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