Blessing, C. W., & Pollock, H. M. (1911). Examination book in American history and civics. New York Education Co..
Čikaški stil citiranja (17. izdanje)Blessing, Charles Winne, i Horatio M. Pollock. Examination Book in American History and Civics. Albany: New York Education Co., 1911.
MLA način citiranja (8. izdanje)Blessing, Charles Winne, i Horatio M. Pollock. Examination Book in American History and Civics. New York Education Co., 1911.
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