Schor, N., & Weed, E. (1994). The Essential difference. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Schor, Naomi, agus Elizabeth Weed. The Essential Difference. Bloomington: Indiana University Press, 1994.
Lua MLA (8ú heag.)Schor, Naomi, agus Elizabeth Weed. The Essential Difference. Indiana University Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.