APA aipamena

Smith, P. L., & Ragan, T. J. (1999). Instructional design (2nd edition.). Prentice Hall.

Chicago Style aipamena

Smith, Patricia L., and Tillman J. Ragan. Instructional Design. 2nd edition. New Jersey: Prentice Hall, 1999.

MLA aipamena

Smith, Patricia L., and Tillman J. Ragan. Instructional Design. 2nd edition. Prentice Hall, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.