Cutlip, S., & Center, A. (1982). Effective public relations. Prentice-Hall.
Cita Chicago (17th ed.)Cutlip, Scott, i Allen Center. Effective Public Relations. Englewood Cliffs, N.J: Prentice-Hall, 1982.
Cita MLA (9th ed.)Cutlip, Scott, i Allen Center. Effective Public Relations. Prentice-Hall, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.