National Geographic Society Journey. (1971). National Geographic: The ganges, river of faith. Washington: National Geographic Society.
シカゴスタイル引用形National Geographic Society Journey. National Geographic: The Ganges, River of Faith. Washington: National Geographic Society, 1971.
MLA引用形式National Geographic Society Journey. National Geographic: The Ganges, River of Faith. Washington: National Geographic Society, 1971.
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