Gaya APA
Cromer, A., H. et al. (1988).
Principles of Instructional Design Third Edition .
Chicago, San Francisco:
Holt Rinehart And Winston Inc.
Gaya MLA
Cromer, A., H. et al..
Principles of Instructional Design Third Edition.
Chicago, San Francisco:
Holt Rinehart And Winston Inc,
1988.
Text.