Cita APA (7th ed.)

Center, A. (1995). Public relations practices: Managerial case studies and problems (5th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Center, Allen. Public Relations Practices: Managerial Case Studies and Problems. 5th ed. Englewood Cliffs, New Jersey: Prentice Hall, 1995.

Cita MLA (9th ed.)

Center, Allen. Public Relations Practices: Managerial Case Studies and Problems. 5th ed. Prentice Hall, 1995.