Cita APA (7a ed.)

Armstrong, G., Opresnik, M. O., & Kotler, P. (2012). Marketing: An introduction (second edition.). Pearson.

Cita Chicago Style (17a ed.)

Armstrong, Gary, Marc O. Opresnik, y Philip Kotler. Marketing: An Introduction. second edition. Harlow, England: Pearson, 2012.

Cita MLA (9a ed.)

Armstrong, Gary, et al. Marketing: An Introduction. second edition. Pearson, 2012.