Howard, D. T. (1946). Analytical syllogistics: A pragmatic interpretation of the Aristotelian logic. [s.n.].
Lua i Stíl Chicago (17ú heag.)Howard, Delton Thomas. Analytical Syllogistics: A Pragmatic Interpretation of the Aristotelian Logic. Evanston: [s.n.], 1946.
Lua MLA (9ú heag.)Howard, Delton Thomas. Analytical Syllogistics: A Pragmatic Interpretation of the Aristotelian Logic. [s.n.], 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.