Kotler, P., Armstrong, G., & Opresnik, M. O. (2021). Principles of marketing (18e, Global edition.). Pearson Education.
Citazione stile Chigago Style (17a edizione)Kotler, Philip, Gary Armstrong, e Marc Oliver Opresnik. Principles of Marketing. 18e, Global edition. Harlow, England: Pearson Education, 2021.
Citatione MLA (9a ed.)Kotler, Philip, et al. Principles of Marketing. 18e, Global edition. Pearson Education, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.