Skinner, J. (1960). Reading & reasoning. O.U.P.
Lua i Stíl Chicago (17ú heag.)Skinner, J. Reading & Reasoning. London: O.U.P, 1960.
Lua MLA (9ú heag.)Skinner, J. Reading & Reasoning. O.U.P, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.