McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services & Moyer, R. On the move (Macmillan/McGraw-Hill edition.).
Chicago-referens (17:e uppl.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services och Richard Moyer. On the Move. Macmillan/McGraw-Hill edition.
MLA-referens (8:e uppl.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services och Richard Moyer. On the Move. Macmillan/McGraw-Hill edition.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.