National Geographic Society (U.S.). (1991). National Geographic picture atlas of our world. The National Geographic Society.
Chicago Style (17th ed.) CitationNational Geographic Society (U.S.). National Geographic Picture Atlas of Our World. Washington D.C: The National Geographic Society, 1991.
MLA citiranjeNational Geographic Society (U.S.). National Geographic Picture Atlas of Our World. The National Geographic Society, 1991.
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