Nulle, S. H. (1980). The ancient world: Classics of western thought (3rd ed.). Harcourt brace.
Lua i Stíl Chicago (17ú heag.)Nulle, Stebelton H. The Ancient World: Classics of Western Thought. 3rd ed. New York: Harcourt brace, 1980.
Lua MLA (9ú heag.)Nulle, Stebelton H. The Ancient World: Classics of Western Thought. 3rd ed. Harcourt brace, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.