APA (7e ed.) Bronvermelding
Bullough, R. V. (1988). Creating instructional materials (3rd ed.). Merrill.
Chicago (17e ed.) Bronvermelding
Bullough, Robert V. Creating Instructional Materials. 3rd ed. Columbus: Merrill, 1988.
MLA (9e ed.) Bronvermelding
Bullough, Robert V. Creating Instructional Materials. 3rd ed. Merrill, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.