Lua APA (7ú heag.)
ebrary, Inc, & Pitt, J. C. (1988). Theories of explanation. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Joseph C. Pitt. Theories of Explanation. New York: Oxford University Press, 1988.
Lua MLA (9ú heag.)
ebrary, Inc, agus Joseph C. Pitt. Theories of Explanation. Oxford University Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.