Gustafson, K. L., & Powell, G. C. (1991). Survey of instructional development models (2nd ed.). ERIC Clearinghouse on Information Resources.
Chicago Style (17th ed.) CitationGustafson, Kent L., and Gary C. Powell. Survey of Instructional Development Models. 2nd ed. Syracuse, N.Y: ERIC Clearinghouse on Information Resources, 1991.
MLA (9th ed.) CitationGustafson, Kent L., and Gary C. Powell. Survey of Instructional Development Models. 2nd ed. ERIC Clearinghouse on Information Resources, 1991.
Warning: These citations may not always be 100% accurate.