AYRES, F. (1982). Matrics Frank Ayres. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)AYRES, Frank. Matrics Frank Ayres. McGraw-Hill, 1982.
Lua MLA (8ú heag.)AYRES, Frank. Matrics Frank Ayres. McGraw-Hill, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.