Bynner, W. Pittsburgh: Witter Bynner. The city.(1979).
Lua i Stíl Chicago (17ú heag.)Bynner, Witter. "Pittsburgh: Witter Bynner." The City.(1979) .
Lua MLA (8ú heag.)Bynner, Witter. "Pittsburgh: Witter Bynner." The City.(1979), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.