United States. Office of Education, National Institute of Education, & Harrison, S. A. (1975). Improving instructional productivity in higher education. Educational Technology Pub.
Chicago-Zitierstil (17. Ausg.)United States. Office of Education, National Institute of Education, und Shelley A. Harrison. Improving Instructional Productivity in Higher Education. Englewood Cliffs, N. J: Educational Technology Pub, 1975.
MLA-Zitierstil (9. Ausg.)United States. Office of Education, et al. Improving Instructional Productivity in Higher Education. Educational Technology Pub, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.