Lua APA (7ú heag.)

(1949). Demographic Yearbook.

Lua i Stíl Chicago (17ú heag.)

Demographic Yearbook. New York, 1949.

Lua MLA (8ú heag.)

Demographic Yearbook. 1949.

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