Kleppner, O., Russell, J. T., & Lane, W. R. (1993). Kleppner's advertising procedure (12th ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Kleppner, Otto, J. Thomas Russell, y W. Ronald Lane. Kleppner's Advertising Procedure. 12th ed. Englewood Cliffs: Prentice Hall, 1993.
Cita MLA (9a ed.)Kleppner, Otto, et al. Kleppner's Advertising Procedure. 12th ed. Prentice Hall, 1993.
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