Cita APA (7th ed.)

Ellington, H. (1985). Producing teaching materials: A handbook for teachers and trainers. Kogan Page.

Cita Chicago (17th ed.)

Ellington, Henry. Producing Teaching Materials: A Handbook for Teachers and Trainers. London: Kogan Page, 1985.

Cita MLA (9th ed.)

Ellington, Henry. Producing Teaching Materials: A Handbook for Teachers and Trainers. Kogan Page, 1985.