Firestone, O. (1970). The public persuader: Government advertising. Methuen.
Cita Chicago (17th ed.)Firestone, O.J. The Public Persuader: Government Advertising. Toronto: Methuen, 1970.
Cita MLA (9th ed.)Firestone, O.J. The Public Persuader: Government Advertising. Methuen, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.