Tohutoro APA (7th ed.)
Bruce, H. R. (1957). A College Text in American National Government. Henry Holt.
Tohutoru Kātū Chicago (17th ed.)
Bruce, Harold R. A College Text in American National Government. Nueva York, EUA: Henry Holt, 1957.
Tohutoro MLA (9th ed.)
Bruce, Harold R. A College Text in American National Government. Henry Holt, 1957.
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