Kotler, P., Armstrong, G., Balasubramanian, S., & Agnihotri, P. Y. (2023). Principles of marketing (Nineteenth Edition.). Pearson India Education Pvt. Ltd..
Lua i Stíl Chicago (17ú heag.)Kotler, Philip, Gary Armstrong, Sridhar Balasubramanian, agus Parfulla Y. Agnihotri. Principles of Marketing. Nineteenth Edition. Hoboken, NJ; India: Pearson India Education Pvt. Ltd., 2023.
Lua MLA (8ú heag.)Kotler, Philip, et al. Principles of Marketing. Nineteenth Edition. Pearson India Education Pvt. Ltd., 2023.
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