(1970). Programed instruction in health education and physical education. American Assoc. for Health, Physical Education and Recreation.
Chicago-Zitierstil (17. Ausg.)Programed Instruction in Health Education and Physical Education. Washington: American Assoc. for Health, Physical Education and Recreation, 1970.
MLA-Zitierstil (9. Ausg.)Programed Instruction in Health Education and Physical Education. American Assoc. for Health, Physical Education and Recreation, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.