Fisher, D., & Frey, N. (2014). Checking for Understanding: Formative Assessment Techniques for Your Classroom (2a. edición.). ASCD.
Cita Chicago (17th ed.)Fisher, Douglas, i Nancy Frey. Checking for Understanding: Formative Assessment Techniques for Your Classroom. 2a. edición. Virginia, Estados Unidos: ASCD, 2014.
Cita MLA (9th ed.)Fisher, Douglas, i Nancy Frey. Checking for Understanding: Formative Assessment Techniques for Your Classroom. 2a. edición. ASCD, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.