Hyman Blumberg Symposium on Research in Early Childhood Education 4 1974, Baltimore, Md., Webb, R. A., & Hyman Blumberg Symposium on Research in Early Childhood Education. (1977). Social development in childhood: Day-care programs and research. Johns Hopkins Univ. Pr.
Cita Chicago Style (17a ed.)Hyman Blumberg Symposium on Research in Early Childhood Education 4 1974, Baltimore, Md., Roger A. Webb, y Hyman Blumberg Symposium on Research in Early Childhood Education. Social Development in Childhood: Day-care Programs and Research. Baltimore, Md. [u.a.]: Johns Hopkins Univ. Pr, 1977.
Cita MLA (8a ed.)Hyman Blumberg Symposium on Research in Early Childhood Education 4 1974, Baltimore, Md., et al. Social Development in Childhood: Day-care Programs and Research. Johns Hopkins Univ. Pr, 1977.