Witmer, H. L., & Conference:Mid-century White House Conference on Children and Youth 1950 : Washington, D. (1952). Personality in the making: The fact-finding report of the Midcentury White House Conference on Children and Youth. Harper.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Witmer, Helen Leland, và D.C Conference:Mid-century White House Conference on Children and Youth 1950 : Washington. Personality in the Making: The Fact-finding Report of the Midcentury White House Conference on Children and Youth. New York: Harper, 1952.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Witmer, Helen Leland, và D.C Conference:Mid-century White House Conference on Children and Youth 1950 : Washington. Personality in the Making: The Fact-finding Report of the Midcentury White House Conference on Children and Youth. Harper, 1952.