Não informado. (2020). School and Community. Missouri State Teachers Association.
Chicago-referens (17:e uppl.)Não informado. School and Community. Columbia, Mo: Missouri State Teachers Association, 2020.
MLA-referens (8:e uppl.)Não informado. School and Community. Missouri State Teachers Association, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.