Ellington, H., & Race, P. (1993). Producing teaching materials: A handbook for teachers and trainers (2nd ed.). Kogan Page.
Chicago (17e ed.) BronvermeldingEllington, Henry, en Phil Race. Producing Teaching Materials: A Handbook for Teachers and Trainers. 2nd ed. London: Kogan Page, 1993.
MLA (9e ed.) BronvermeldingEllington, Henry, en Phil Race. Producing Teaching Materials: A Handbook for Teachers and Trainers. 2nd ed. Kogan Page, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.