APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.