Stuart, G. S. (1979). Secrets From the Past. National Geographic Society.
Chicagoスタイル(17版)引用形式Stuart, Gene S. Secrets From the Past. [Estados Unidos]: National Geographic Society, 1979.
MLA(9版)引用形式Stuart, Gene S. Secrets From the Past. National Geographic Society, 1979.
警告: この引用は必ずしも正確ではありません.