APA Citatie

Gleason, K. A., Kwok, O., & Hughes, J. N. (2007). The Short-Term Effect of Grade Retention on Peer Relations and Academic Performance of At-Risk First Graders.

Chicago Style citaat

Gleason, Katie A., Oi-man Kwok, en Jan N. Hughes. The Short-Term Effect of Grade Retention On Peer Relations and Academic Performance of At-Risk First Graders. 2007.

MLA citatie

Gleason, Katie A., Oi-man Kwok, en Jan N. Hughes. The Short-Term Effect of Grade Retention On Peer Relations and Academic Performance of At-Risk First Graders. 2007.