Não informado. (1967). Journal of research and development in education. University of Georgia, College of Education.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Research and Development in Education. Athens, Ga: University of Georgia, College of Education, 1967.
Citação MLA (8ª ed.)Não informado. Journal of Research and Development in Education. University of Georgia, College of Education, 1967.
警告：这些引文格式不一定是100％准确.