APA-referens (7:e uppl.)

U.S. Office of Education. (1906). Bulletin. United States. Government Printing Office.

Chicago-referens (17:e uppl.)

U.S. Office of Education. Bulletin. Washington: United States. Government Printing Office, 1906.

MLA-referens (9:e uppl.)

U.S. Office of Education. Bulletin. United States. Government Printing Office, 1906.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.