Chodorow, S. (1994). The Mainstream of civilization to 1500 (6th ed.). Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Chodorow, Stanley. The Mainstream of Civilization to 1500. 6th ed. Forth Worth: Harcourt Brace Jovanovich, 1994.
Lua MLA (9ú heag.)Chodorow, Stanley. The Mainstream of Civilization to 1500. 6th ed. Harcourt Brace Jovanovich, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.