Ledford, B. R., & Sleeman, P. J. (2002). Instructional design: System strategies. Information Age Pub..
Chicago Style (17th ed.) CitationLedford, Bruce R., and Phillip J. Sleeman. Instructional Design: System Strategies. Greenwich, Conn.: Information Age Pub., 2002.
MLA (9th ed.) CitationLedford, Bruce R., and Phillip J. Sleeman. Instructional Design: System Strategies. Information Age Pub., 2002.
Warning: These citations may not always be 100% accurate.