Chihara, C. S. (1973). Ontology and the vicious-circle principle. Cornell University Press.
Lua i Stíl Chicago (17ú heag.)Chihara, Charles S. Ontology and the Vicious-circle Principle. Ithaca [N.Y.]: Cornell University Press, 1973.
Lua MLA (9ú heag.)Chihara, Charles S. Ontology and the Vicious-circle Principle. Cornell University Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.