Cita APA (7th ed.)
Prentice-Hall journalism. Prentice Hall.
Cita Chicago (17th ed.)
Prentice-Hall Journalism. New Jersey: Prentice Hall.
Cita MLA (9th ed.)
Prentice-Hall Journalism. Prentice Hall.
Atenció: Aquestes cites poden no estar 100% correctes.