Ofiesh, G. D. (1964). Trends in programmed instruction: Papers from the first annual convention of the National Society for Programmed Instruction. Dep. of Audiovisual Instruction, National Education Assoc.
Chicago-Zitierstil (17. Ausg.)Ofiesh, Gabriel D. Trends in Programmed Instruction: Papers from the First Annual Convention of the National Society for Programmed Instruction. Washington, DC: Dep. of Audiovisual Instruction, National Education Assoc, 1964.
MLA-Zitierstil (9. Ausg.)Ofiesh, Gabriel D. Trends in Programmed Instruction: Papers from the First Annual Convention of the National Society for Programmed Instruction. Dep. of Audiovisual Instruction, National Education Assoc, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.