Weltner, P. (1990). Identity & Difference. Crossing Press.
Lua i Stíl Chicago (17ú heag.)Weltner, Peter. Identity & Difference. Freedom: Crossing Press, 1990.
Lua MLA (8ú heag.)Weltner, Peter. Identity & Difference. Crossing Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.