Cita APA (7a ed.)

Vai, M., & Sosulski, K. (2011). Essentials of online course design: A standards-based guide. Routledge.

Cita Chicago Style (17a ed.)

Vai, Marjorie, y Kristen Sosulski. Essentials of Online Course Design: A Standards-based Guide. New York: Routledge, 2011.

Cita MLA (8a ed.)

Vai, Marjorie, y Kristen Sosulski. Essentials of Online Course Design: A Standards-based Guide. Routledge, 2011.