Flick, L. F. (1913). Eugenics: A lecture by Lawrence F. Flick, M.D. Delivered in the Catholic Summer School Extension Course, Philadelphia, January 17, 1913. Philadelphia.
Lua i Stíl Chicago (17ú heag.)Flick, Lawrence F. Eugenics: A Lecture by Lawrence F. Flick, M.D. Delivered in the Catholic Summer School Extension Course, Philadelphia, January 17, 1913. Philadelphia, 1913.
Lua MLA (8ú heag.)Flick, Lawrence F. Eugenics: A Lecture by Lawrence F. Flick, M.D. Delivered in the Catholic Summer School Extension Course, Philadelphia, January 17, 1913. Philadelphia, 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.