Butts, D. P., & Hord, S. (1971). Instructor's guide for planning instruction. Research and Development Center for Teacher Education. University of Texas at Austin.
Chicago-referens (17:e uppl.)Butts, David P., och Shirley Hord. Instructor's Guide for Planning Instruction. Austin, Texas: Research and Development Center for Teacher Education. University of Texas at Austin, 1971.
MLA-referens (9:e uppl.)Butts, David P., och Shirley Hord. Instructor's Guide for Planning Instruction. Research and Development Center for Teacher Education. University of Texas at Austin, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.