Putnam, H. Floyd, Wittgenstein, and loneliness: Hilary Putnam. Loneliness.(1998).
Lua i Stíl Chicago (17ú heag.)Putnam, Hilary. "Floyd, Wittgenstein, and Loneliness: Hilary Putnam." Loneliness.(1998) .
Lua MLA (8ú heag.)Putnam, Hilary. "Floyd, Wittgenstein, and Loneliness: Hilary Putnam." Loneliness.(1998), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.