McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services & Moyer, R. On the move (Macmillan/McGraw-Hill edition.).
Cita Chicago Style (17a ed.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services y Richard Moyer. On the Move. Macmillan/McGraw-Hill edition.
Cita MLA (8a ed.)McGraw-Hill Companies. McGraw-Hill School Division. National Geographic Society (U.S.). Educational Services y Richard Moyer. On the Move. Macmillan/McGraw-Hill edition.
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