Zabeeh, F. (1966). Universals: A new look at an old problem. M. Nijhoff.
Lua i Stíl Chicago (17ú heag.)Zabeeh, Farhang. Universals: A New Look at an Old Problem. The Hague: M. Nijhoff, 1966.
Lua MLA (9ú heag.)Zabeeh, Farhang. Universals: A New Look at an Old Problem. M. Nijhoff, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.