Gregory, A. (2015). Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page.
Citace podle Chicago (17th ed.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
Citace podle MLA (8th ed.)Gregory, Anne. Planning and Managing Public Relations Campaigns A Strategic Approach 4th Ed. Kogan Page, 2015.
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