Lua APA (7ú heag.)

(1990). Diseases of the digestive system. World health organization.

Lua i Stíl Chicago (17ú heag.)

Diseases of the Digestive System. Ginebra: World health organization, 1990.

Lua MLA (9ú heag.)

Diseases of the Digestive System. World health organization, 1990.

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