Citazione APA

Ellington, H., & Percival, F. R. (2003). Handbook of educational technology (3rd. ed.). Kogan page Ltd.

Stile di citazione Chicago

Ellington, Henry, e Fred Race Percival. Handbook of Educational Technology. 3rd. ed. London: Kogan page Ltd, 2003.

Citazione MLA

Ellington, Henry, e Fred Race Percival. Handbook of Educational Technology. 3rd. ed. Kogan page Ltd, 2003.