Cita APA (7a ed.)
Wrenn, B., & Clewett, R. M. (1983). Instructor's Manual with Cases Principles of Marketing by Philip Kotler Second Edition (1. ed.). Prentice Hall.
Cita Chicago Style (17a ed.)
Wrenn, Bruce, y Richard M. Clewett. Instructor's Manual with Cases Principles of Marketing by Philip Kotler Second Edition. 1. ed. Englewood Cliffs: Prentice Hall, 1983.
Cita MLA (9a ed.)
Wrenn, Bruce, y Richard M. Clewett. Instructor's Manual with Cases Principles of Marketing by Philip Kotler Second Edition. 1. ed. Prentice Hall, 1983.
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