STUART, G. G. (1988). American's ancient cities. The National Geographic Society.
Chicagoスタイル(17版)引用形式STUART, Gene G. American's Ancient Cities. Washingtan DC: The National Geographic Society, 1988.
MLA(9版)引用形式STUART, Gene G. American's Ancient Cities. The National Geographic Society, 1988.
警告: この引用は必ずしも正確ではありません.