APA引用形式

National Geographic Society. (2000). Forces. New York: McGraw-Hill School Division.

シカゴスタイル引用形

National Geographic Society. Forces. New York: McGraw-Hill School Division, 2000.

MLA引用形式

National Geographic Society. Forces. New York: McGraw-Hill School Division, 2000.

警告: この引用は必ずしも正確ではありません.