Butterick, K. (2011). Introducing Public Relations Theory and Practice. Sage Publications.
Citação norma ChicagoButterick, Keith. Introducing Public Relations Theory and Practice. India: Sage Publications, 2011.
Citação norma MLAButterick, Keith. Introducing Public Relations Theory and Practice. Sage Publications, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.