White House Conference on Child Health and Protection. (1930). Preliminary commitee reports. Century Co.
Chicago-referens (17:e uppl.)White House Conference on Child Health and Protection. Preliminary Commitee Reports. New York: Century Co, 1930.
MLA-referens (8:e uppl.)White House Conference on Child Health and Protection. Preliminary Commitee Reports. Century Co, 1930.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.