APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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