Ogg, F. A., & Ray, P. O. (1943). Essentials of American Government: By Frederic A. Ogg and P. Orman Ray (4. ed.). United States Armed Forces Inst..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOgg, Frederic Austin, और Perley Orman Ray. Essentials of American Government: By Frederic A. Ogg and P. Orman Ray. 4. ed. Madison, Wis.: United States Armed Forces Inst., 1943.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOgg, Frederic Austin, और Perley Orman Ray. Essentials of American Government: By Frederic A. Ogg and P. Orman Ray. 4. ed. United States Armed Forces Inst., 1943.
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