Ryan, D. W., & Greenfield, T. B. (1975). The class size question: Development of research studies related to the effects of class size, pupil/adult, and pupil/teacher ratios. Ministry of Education.
Chicago Style (17th ed.) CitationRyan, Doris W., and T. Barr Greenfield. The Class Size Question: Development of Research Studies Related to the Effects of Class Size, Pupil/adult, and Pupil/teacher Ratios. Toronto: Ministry of Education, 1975.
MLA (8th ed.) CitationRyan, Doris W., and T. Barr Greenfield. The Class Size Question: Development of Research Studies Related to the Effects of Class Size, Pupil/adult, and Pupil/teacher Ratios. Ministry of Education, 1975.
Warning: These citations may not always be 100% accurate.