Kotler, P., Armstrong, G., Balasubramanian, S., & Agnihotri, P. Y. (2023). Principles of marketing (Nineteenth Edition.). Pearson India Education Pvt. Ltd..

Kotler, Philip, Gary Armstrong, Sridhar Balasubramanian, and Parfulla Y. Agnihotri. Principles of Marketing. Nineteenth Edition. Hoboken, NJ; India: Pearson India Education Pvt. Ltd., 2023.

Kotler, Philip, et al. Principles of Marketing. Nineteenth Edition. Pearson India Education Pvt. Ltd., 2023.