Cita APA (7th ed.)
Jefkins, F., & Yadin, D. (1998). Public relations (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)
Jefkins, Frank, i Daniel Yadin. Public Relations. 5th ed. London: Prentice Hall, 1998.
Cita MLA (9th ed.)
Jefkins, Frank, i Daniel Yadin. Public Relations. 5th ed. Prentice Hall, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.