Freund, J. E., & Williams, F. J. (1964). Elementary business statistics: The modern approach. Prentice-Hall.
Cita Chicago Style (17a ed.)Freund, John E., y Frank J. Williams. Elementary Business Statistics: The Modern Approach. Englewood Cliffs, New Jersey: Prentice-Hall, 1964.
Cita MLA (8a ed.)Freund, John E., y Frank J. Williams. Elementary Business Statistics: The Modern Approach. Prentice-Hall, 1964.
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