Cohen, D. J. (1974). Day care 3: Serving preschool children. U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development.
芝加哥风格引文Cohen, Donald Jay. Day Care 3: Serving Preschool Children. Washington: U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development, 1974.
MLA引文Cohen, Donald Jay. Day Care 3: Serving Preschool Children. U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development, 1974.
警告：这些引文格式不一定是100％准确.