Educational Research Service (Arlington, Va.), & Doob, H. S. (1976). Summary of research on prekindergarten programs. The Service.
芝加哥风格引文Educational Research Service (Arlington, Va.), 与 Heather Sidon Doob. Summary of Research on Prekindergarten Programs. Arlington, Va.: The Service, 1976.
MLA引文Educational Research Service (Arlington, Va.), 与 Heather Sidon Doob. Summary of Research on Prekindergarten Programs. The Service, 1976.
警告：这些引文格式不一定是100％准确.