APA (7e ed.) Bronvermelding

Nagel, D. (2015). Effective grading practices for secondary teachers: Practical strategies to prevent failure, recover credits, and increase standards-based/referenced grading. Corwin.

Chicago (17e ed.) Bronvermelding

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 (9e ed.) Bronvermelding

Nagel, Dave. Effective Grading Practices for Secondary Teachers: Practical Strategies to Prevent Failure, Recover Credits, and Increase Standards-based/referenced Grading. Corwin, 2015.