Shepherd, H. D., Hughes, E. H., & Musselman, V. A. (1954). Introduction to modern business (7th printing.). Prentice-Hall.
Cita Chicago Style (17a ed.)Shepherd, Hilton D., Eugene Harley Hughes, y Vernon A. Musselman. Introduction to Modern Business. 7th printing. Englewood Cliffs, New Jersey: Prentice-Hall, 1954.
Cita MLA (9a ed.)Shepherd, Hilton D., et al. Introduction to Modern Business. 7th printing. Prentice-Hall, 1954.
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