Kelley, R. (1990). The shaping of the American past (5th ed., combined ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Kelley, Robert. The Shaping of the American Past. 5th ed., combined ed. Englewood Cliffs, NJ: Prentice Hall, 1990.
Cita MLA (9a ed.)Kelley, Robert. The Shaping of the American Past. 5th ed., combined ed. Prentice Hall, 1990.
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