SEYMOUR , R. (1990). POLYMER SOURCE BOOK. MCGRAW HILL.
Lua i Stíl Chicago (17ú heag.)SEYMOUR , R.B. POLYMER SOURCE BOOK. NEW YORK: MCGRAW HILL, 1990.
Lua MLA (9ú heag.)SEYMOUR , R.B. POLYMER SOURCE BOOK. MCGRAW HILL, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.