Cita APA

Simon, R., & Zappala, J. M. (1994). Public relations workbook: Writing and Techniques. Lincolnwood, Ill.: NTC Business Books.

Chicago Style Citation

Simon, Raymond., i Joseph M. Zappala. Public Relations Workbook: Writing and Techniques. Lincolnwood, Ill.: NTC Business Books, 1994.

Cita MLA

Simon, Raymond., i Joseph M. Zappala. Public Relations Workbook: Writing and Techniques. Lincolnwood, Ill.: NTC Business Books, 1994.