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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.
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