Nagel, D. (2015). Effective grading practices for secondary teachers: Practical strategies to prevent failure, recover credits, and increase standards-based/referenced grading. Corwin.
Chicago-referens (17:e uppl.)Nagel, Dave. Effective Grading Practices for Secondary Teachers: Practical Strategies to Prevent Failure, Recover Credits, and Increase Standards-based/referenced Grading. Thousand Oaks, California: Corwin, 2015.
MLA-referens (9:e uppl.)Nagel, Dave. Effective Grading Practices for Secondary Teachers: Practical Strategies to Prevent Failure, Recover Credits, and Increase Standards-based/referenced Grading. Corwin, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.