Whalen, D. (2007). The professional communications toolkit D. Joel whalen. Sage Publications.
Chicago Style (17th ed.) CitationWhalen, D.Joel. The Professional Communications Toolkit D. Joel Whalen. Sage Publications, 2007.
MLA (8th ed.) CitationWhalen, D.Joel. The Professional Communications Toolkit D. Joel Whalen. Sage Publications, 2007.
Warning: These citations may not always be 100% accurate.