Citazione Stile APA (7a Edizione)

Johnston, D. J. (1971). Teachers' in-service education. Pergamon Press.

Citazione stile Chigago Style (17a edizione)

Johnston, David John. Teachers' In-service Education. Oxford: Pergamon Press, 1971.

Citatione MLA (9a ed.)

Johnston, David John. Teachers' In-service Education. Pergamon Press, 1971.