Lord, F. E. (1964). Work education for educable retarded youth: Report on institutes. California State College.
Chicago-referens (17:e uppl.)Lord, Francis Everette. Work Education for Educable Retarded Youth: Report on Institutes. Los Angeles, [available from the California State College Bookstore]: California State College, 1964.
MLA-referens (9:e uppl.)Lord, Francis Everette. Work Education for Educable Retarded Youth: Report on Institutes. California State College, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.