Coulson-Thomas, C. (1981). Public relations is your business: A guide for every manager. Business Books.
Lua i Stíl Chicago (17ú heag.)Coulson-Thomas, Colin. Public Relations Is Your Business: A Guide for Every Manager. London: Business Books, 1981.
Lua MLA (9ú heag.)Coulson-Thomas, Colin. Public Relations Is Your Business: A Guide for Every Manager. Business Books, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.