National Society for the Study of Education (U.S.). Committee on Preschool and Parental Education & Whipple, G. M. (1929). Preschool and parental education. National Society for the Study of Education : Public School Publishing Co..
芝加哥风格引文National Society for the Study of Education (U.S.). Committee on Preschool and Parental Education 与 Guy Montrose Whipple. Preschool and Parental Education. Bloomington, Ill.: National Society for the Study of Education : Public School Publishing Co., 1929.
MLA引文National Society for the Study of Education (U.S.). Committee on Preschool and Parental Education 与 Guy Montrose Whipple. Preschool and Parental Education. National Society for the Study of Education : Public School Publishing Co., 1929.