Dunn, M. G. (1989). Exploring your world: The adventure of geography. National Geographic Society.
Chicagoスタイル(17版)引用形式Dunn, Margery G. Exploring Your World: The Adventure of Geography. Washington, D.C.: National Geographic Society, 1989.
MLA(9版)引用形式Dunn, Margery G. Exploring Your World: The Adventure of Geography. National Geographic Society, 1989.
警告: この引用は必ずしも正確ではありません.