Kelley, E. J., & Lazer, W. (1968). Managerial marketing: Perspectives and viewpoints : a source book (3rd ed., 2nd printing.). Richard D. Irwin.
Cita Chicago Style (17a ed.)Kelley, Eugene J., y William Lazer. Managerial Marketing: Perspectives and Viewpoints : A Source Book. 3rd ed., 2nd printing. Homewood (Illinois): Richard D. Irwin, 1968.
Cita MLA (9a ed.)Kelley, Eugene J., y William Lazer. Managerial Marketing: Perspectives and Viewpoints : A Source Book. 3rd ed., 2nd printing. Richard D. Irwin, 1968.
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