Flack, R. Robert Flack: 1982.
Lua i Stíl Chicago (17ú heag.)Flack, Robert. Robert Flack: 1982.
Lua MLA (8ú heag.)Flack, Robert. Robert Flack: 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)