Witmer, H. L. (1940). Psychiatric clinics for children: With special reference to state programs. Commonwealth Fund.
Chicago-referens (17:e uppl.)Witmer, Helen Leland. Psychiatric Clinics for Children: With Special Reference to State Programs. N.Y.: Commonwealth Fund, 1940.
MLA-referens (8:e uppl.)Witmer, Helen Leland. Psychiatric Clinics for Children: With Special Reference to State Programs. Commonwealth Fund, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.