Lua APA (7ú heag.)

BARRETT, O. B. The International News Agencies Oliver Boyd Barrett. s.n.

Lua i Stíl Chicago (17ú heag.)

BARRETT, Oliver Boyd. The International News Agencies Oliver Boyd Barrett. s.n.

Lua MLA (8ú heag.)

BARRETT, Oliver Boyd. The International News Agencies Oliver Boyd Barrett. s.n.

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