APA aipamena

Gallup, G. H. (1972). The Gallup Poll: Public opinion, 1935-1971. Random House.

Chicago Style aipamena

Gallup, George Horace. The Gallup Poll: Public Opinion, 1935-1971. New York: Random House, 1972.

MLA aipamena

Gallup, George Horace. The Gallup Poll: Public Opinion, 1935-1971. Random House, 1972.

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