Barone, M., Ujifusa, G., & Matthews, D. (1972). The almanac of American politics. Gambit.
Cita Chicago Style (17a ed.)Barone, Michael, Grant Ujifusa, y Douglas Matthews. The Almanac of American Politics. [Boston?]: Gambit, 1972.
Cita MLA (9a ed.)Barone, Michael, et al. The Almanac of American Politics. Gambit, 1972.
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