Putnam, H. (1990). Realism with a human face. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Putnam, Hilary. Realism with a Human Face. Cambridge, Mass: Harvard University Press, 1990.
Lua MLA (9ú heag.)Putnam, Hilary. Realism with a Human Face. Harvard University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
