United States. Office of Education, National Institute of Education, & Harrison, S. A. (1975). Improving instructional productivity in higher education. Educational Technology Pub.
Cita Chicago (17th ed.)United States. Office of Education, National Institute of Education, i Shelley A. Harrison. Improving Instructional Productivity in Higher Education. Englewood Cliffs, N. J: Educational Technology Pub, 1975.
Cita MLA (9th ed.)United States. Office of Education, et al. Improving Instructional Productivity in Higher Education. Educational Technology Pub, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.