Cold Spring Harbor (N.Y.). Eugenics Record Office. Committee to study and to report on the best practical means of cutting off the defective germ-plasm in the American population & Laughlin, H. H. (1914). Report of the Committee to study and to report on the best practical means of cutting off the defective germ-plasm in the American population.
Chicago-viite (17. p.)Cold Spring Harbor (N.Y.). Eugenics Record Office. Committee to study and to report on the best practical means of cutting off the defective germ-plasm in the American population ja Harry Hamilton Laughlin. Report of the Committee to Study and to Report on the Best Practical Means of Cutting off the Defective Germ-plasm in the American Population. Cold Spring Harbor, N.Y, 1914.
MLA-viite (8. p.)Cold Spring Harbor (N.Y.). Eugenics Record Office. Committee to study and to report on the best practical means of cutting off the defective germ-plasm in the American population ja Harry Hamilton Laughlin. Report of the Committee to Study and to Report on the Best Practical Means of Cutting off the Defective Germ-plasm in the American Population. 1914.