National Geographic Society (U.S.) Special Publications Division. (1979). Mysteries of the ancient world. The Society.
Style de citation Chicago (17e éd.)National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. Washington: The Society, 1979.
Style de citation MLA (9e éd.)National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. The Society, 1979.
Attention : ces citations peuvent ne pas être correctes à 100%.