APA citiranje

(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.

MLA citiranje

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

Opozorilo: Ti citati niso vedno 100% točni.