American Federation of Teachers. (2004). Public employee advocate. American Federation of Teachers.
Cita Chicago (17th ed.)American Federation of Teachers. Public Employee Advocate. Washington, D.C.: American Federation of Teachers, 2004.
Cita MLA (9th ed.)American Federation of Teachers. Public Employee Advocate. American Federation of Teachers, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.