Gregory, A. (2015). Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page.
Chicago-Zitierstil (17. Ausg.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
MLA-Zitierstil (8. Ausg.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.