National Geographic Society (Spojené státy americké). National Geographic Maps & Carroll, A. (2003). 100 years of flight. National Geographic Society.
Chicagoスタイル(17版)引用形式National Geographic Society (Spojené státy americké). National Geographic Maps , Allen Carroll. 100 Years of Flight. Washington: National Geographic Society, 2003.
MLA(9版)引用形式National Geographic Society (Spojené státy americké). National Geographic Maps , Allen Carroll. 100 Years of Flight. National Geographic Society, 2003.
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