Cegala, D. J. (1980). Persuasive communication. Burgess.
Cita Chicago Style (17a ed.)Cegala, Donald J. Persuasive Communication. Minneapolis: Burgess, 1980.
Cita MLA (9a ed.)Cegala, Donald J. Persuasive Communication. Burgess, 1980.
Precaución: Estas citas no son 100% exactas.