Beard, C. A. 1. c., & Shultz, B. E. (1912). Documents on the state-wide initiative, referendum and recall. The Macmillan company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeard, Charles Austin 1874- comp, और Birl Earl Shultz. Documents on the State-wide Initiative, Referendum and Recall. New York: The Macmillan company, 1912.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBeard, Charles Austin 1874- comp, और Birl Earl Shultz. Documents on the State-wide Initiative, Referendum and Recall. The Macmillan company, 1912.
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