Deismireacht APA

(1988). Inventors and discoverers: Changing our world. Washington, D.C: National Geographic Society.

Trích dẫn kiểu Chicago

Inventors and Discoverers: Changing Our World. Washington, D.C: National Geographic Society, 1988.

Deismireacht MLA

Inventors and Discoverers: Changing Our World. Washington, D.C: National Geographic Society, 1988.

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