Παραπομπή σε μορφή APA (7η εκδ.)

Wankel, C., & Blessinger, P. (2013). Increasing student engagement and retention in e-learning environments: Web 2.0 and blended learning technologies. Emerald.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wankel, Charles, και Patrick Blessinger. Increasing Student Engagement and Retention in E-learning Environments: Web 2.0 and Blended Learning Technologies. Bingley, U.K.: Emerald, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wankel, Charles, και Patrick Blessinger. Increasing Student Engagement and Retention in E-learning Environments: Web 2.0 and Blended Learning Technologies. Emerald, 2013.