Armstrong, G., Kotler, P., & Opresnik, M. O. (2017). Marketing: An introduction (Thirteenth edition.). Pearson Education Limited.
Citación estilo ChicagoArmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Thirteenth edition. Harlow, Essex, England: Pearson Education Limited, 2017.
Cita MLAArmstrong, Gary, et al. Marketing: An Introduction. Thirteenth edition. Pearson Education Limited, 2017.
Warning: These citations may not always be 100% accurate.