Ashton, P. M. E. (1983). Teacher education in the classroom: Initial and in-service. Croom Helm.
Chicago-viite (17. p.)Ashton, Patricia M. E. Teacher Education in the Classroom: Initial and In-service. London: Croom Helm, 1983.
MLA-viite (9. p.)Ashton, Patricia M. E. Teacher Education in the Classroom: Initial and In-service. Croom Helm, 1983.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.