Frey, B. B. (2014). Modern classroom assessment. SAGE.
Cita Chicago (17th ed.)Frey, Bruce B. Modern Classroom Assessment. Los Angeles: SAGE, 2014.
Cita MLA (9th ed.)Frey, Bruce B. Modern Classroom Assessment. SAGE, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.