McGraw-Hill Companies. McGraw-Hill School Division. (2001). McGraw-Hill language arts. McGraw-Hill School Division.
Chicago-referens (17:e uppl.)McGraw-Hill Companies. McGraw-Hill School Division. McGraw-Hill Language Arts. New York: McGraw-Hill School Division, 2001.
MLA-referens (8:e uppl.)McGraw-Hill Companies. McGraw-Hill School Division. McGraw-Hill Language Arts. McGraw-Hill School Division, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.