Cita APA

Armstrong, G., & Opresnik, M. O. (2017). Marketing: An introduction. London: Pearson.

Chicago Style Citation

Armstrong, Gary, i Marc O. Opresnik. Marketing: An Introduction. London: Pearson, 2017.

Cita MLA

Armstrong, Gary, i Marc O. Opresnik. Marketing: An Introduction. London: Pearson, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.