APA استشهاد

Egan, J. (2015). Marketing communications (2nd ed.). Sage Publications.

استشهاد بنمط شيكاغو

Egan, John. Marketing Communications. 2nd ed. London: Sage Publications, 2015.

MLA استشهاد

Egan, John. Marketing Communications. 2nd ed. Sage Publications, 2015.