APA
(1971). School Achievement of Children by Demographic and Socioeconomic Factors. : U.S. Department of Health Education and Welfare.
Chicago
1971. School Achievement of Children by Demographic and Socioeconomic Factors. : U.S. Department of Health Education and Welfare.
Harvard
(1971). School Achievement of Children by Demographic and Socioeconomic Factors. : U.S. Department of Health Education and Welfare.
MLA
School Achievement of Children by Demographic and Socioeconomic Factors. : U.S. Department of Health Education and Welfare. 1971.
