Lua APA (7ú heag.)

Johns, C. (2014). National geographic: The new food revolution. National Geographic.

Lua i Stíl Chicago (17ú heag.)

Johns, Chris. National Geographic: The New Food Revolution. Washington: National Geographic, 2014.

Lua MLA (9ú heag.)

Johns, Chris. National Geographic: The New Food Revolution. National Geographic, 2014.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.