Gregory, A. (2015). Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page.
Chicago-referens (17:e uppl.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
MLA-referens (8:e uppl.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.