Black, C., & Lauren, G. (2009). The PR practitioner's desktop guide (2nd ed.). Thorogood.
Cita Chicago Style (17a ed.)Black, Caroline, y Graham Lauren. The PR Practitioner's Desktop Guide. 2nd ed. London: Thorogood, 2009.
Cita MLA (8a ed.)Black, Caroline, y Graham Lauren. The PR Practitioner's Desktop Guide. 2nd ed. Thorogood, 2009.
Precaución: Estas citas no son 100% exactas.