Keller, G., Bartel, H., & Warrack, B. (1994). Statistics for management and Economics (3rd. ed.). Duxbury.
Cita Chicago Style (17a ed.)Keller, Gerald, Henry Bartel, y Brian Warrack. Statistics for Management and Economics. 3rd. ed. Belmont: Duxbury, 1994.
Cita MLA (9a ed.)Keller, Gerald, et al. Statistics for Management and Economics. 3rd. ed. Duxbury, 1994.
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