Não informado. (1967). Journal of research and development in education. University of Georgia, College of Education.
Chicago-viite (17. p.)Não informado. Journal of Research and Development in Education. Athens, Ga: University of Georgia, College of Education, 1967.
MLA-viite (8. p.)Não informado. Journal of Research and Development in Education. University of Georgia, College of Education, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.