Lua APA (7ú heag.)
(1971). The contribution of ancient greece. Holt.
Lua i Stíl Chicago (17ú heag.)
The Contribution of Ancient Greece. New york: Holt, 1971.
Lua MLA (9ú heag.)
The Contribution of Ancient Greece. Holt, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.