Maitland, I. (1999). Perfect PR. International Thomson Business Press.
Cita Chicago (17th ed.)Maitland, Iain. Perfect PR. London: International Thomson Business Press, 1999.
Cita MLA (9th ed.)Maitland, Iain. Perfect PR. International Thomson Business Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.