National Geographic Society (U.S.), McGraw-Hill Companies. McGraw-Hill School Division, & Banks, J. A. (2000). Regions: Adventure in time and place. McGraw-Hill.
Style de citation Chicago (17e éd.)National Geographic Society (U.S.), McGraw-Hill Companies. McGraw-Hill School Division, et James A. Banks. Regions: Adventure in Time and Place. New York, N.Y.: McGraw-Hill, 2000.
Style de citation MLA (8e éd.)National Geographic Society (U.S.), et al. Regions: Adventure in Time and Place. McGraw-Hill, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.