National Geographic Society Journey. (1971). National Geographic: The ganges, river of faith. Washington: National Geographic Society.
Trích dẫn kiểu ChicagoNational Geographic Society Journey. National Geographic: The Ganges, River of Faith. Washington: National Geographic Society, 1971.
MLA引文National Geographic Society Journey. National Geographic: The Ganges, River of Faith. Washington: National Geographic Society, 1971.
警告:這些引文格式不一定是100%准確.