Cita APA (7a ed.)

Cameron, C., & Gregory, K. (2014). Rethinking letter grades: A five-step approach for aligning letter grades to learning standards (Second edition.). Portage & Main Press.

Cita Chicago Style (17a ed.)

Cameron, Caren, y Kathleen Gregory. Rethinking Letter Grades: A Five-step Approach for Aligning Letter Grades to Learning Standards. Second edition. Winnipeg, MB, Canada: Portage & Main Press, 2014.

Cita MLA (8a ed.)

Cameron, Caren, y Kathleen Gregory. Rethinking Letter Grades: A Five-step Approach for Aligning Letter Grades to Learning Standards. Second edition. Portage & Main Press, 2014.