Lesly, P. (1991). Lesly's handbook of public relations and communications (4th ed.). American Management Association.
Chicago Style citaatLesly, Philip. Lesly's Handbook of Public Relations and Communications. 4th ed. New York: American Management Association, 1991.
MLA citatieLesly, Philip. Lesly's Handbook of Public Relations and Communications. 4th ed. American Management Association, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.