Butchvarov, P. (1966). Resemblance and Identity: An Examination of the Problem of Universals. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Butchvarov, Panayot. Resemblance and Identity: An Examination of the Problem of Universals. Bloomington: Indiana University Press, 1966.
Lua MLA (9ú heag.)Butchvarov, Panayot. Resemblance and Identity: An Examination of the Problem of Universals. Indiana University Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.