Cita APA (7a ed.)

Willis, J. (2009). Constructivist instructional design (C-ID): Foundations, models, and examples. IAP-Information Age Pub..

Cita Chicago Style (17a ed.)

Willis, Jerry. Constructivist Instructional Design (C-ID): Foundations, Models, and Examples. Charlotte, N.C.: IAP-Information Age Pub., 2009.

Cita MLA (8a ed.)

Willis, Jerry. Constructivist Instructional Design (C-ID): Foundations, Models, and Examples. IAP-Information Age Pub., 2009.