Levens, M. P. (2014). Marketing: Defined, explained, applied (Second edition, Pearson new international edition.). Pearson.
Style de citation Chicago (17e éd.)Levens, Michael P. Marketing: Defined, Explained, Applied. Second edition, Pearson new international edition. Harlow, England: Pearson, 2014.
Style de citation MLA (8e éd.)Levens, Michael P. Marketing: Defined, Explained, Applied. Second edition, Pearson new international edition. Pearson, 2014.
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