Não informado. (1971). Cambridge Journal of Education. Cambridge Institute of Education.
Chicago-viite (17. p.)Não informado. Cambridge Journal of Education. Cambridge, Inglaterra: Cambridge Institute of Education, 1971.
MLA-viite (8. p.)Não informado. Cambridge Journal of Education. Cambridge Institute of Education, 1971.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.