Kotler, P., & Philip Kotler; Gary Armstrong. (2015). Principles of marketing. Boston: Pearson.
Trích dẫn kiểu ChicagoKotler, Philip, và Philip Kotler; Gary Armstrong. Principles of Marketing. Boston: Pearson, 2015.
ציטוט MLAKotler, Philip, và Philip Kotler; Gary Armstrong. Principles of Marketing. Boston: Pearson, 2015.
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