Ontario Institute for Studies in Education, Ryan, D. W., & Greenfield, T. B. (1976). Clarifying the class size question: Evaluation and synthesis of studies related to the effects of class size, pupil-adult, and pupil-teacher ratios. Ministry of Education, Ontario : available from Ontario Institute for Studies in Education.
Chicago Style (17th ed.) CitationOntario Institute for Studies in Education, Doris W. Ryan, and T. Barr Greenfield. Clarifying the Class Size Question: Evaluation and Synthesis of Studies Related to the Effects of Class Size, Pupil-adult, and Pupil-teacher Ratios. Toronto: Ministry of Education, Ontario : available from Ontario Institute for Studies in Education, 1976.
MLA (8th ed.) CitationOntario Institute for Studies in Education, et al. Clarifying the Class Size Question: Evaluation and Synthesis of Studies Related to the Effects of Class Size, Pupil-adult, and Pupil-teacher Ratios. Ministry of Education, Ontario : available from Ontario Institute for Studies in Education, 1976.