Pearl, R. (1940). Introduction to medical biometry and statistics (3a. ed.). W. B. Saunders Co..
Cita Chicago Style (17a ed.)Pearl, Raymond. Introduction to Medical Biometry and Statistics. 3a. ed. Philadelphia: W. B. Saunders Co., 1940.
Cita MLA (8a ed.)Pearl, Raymond. Introduction to Medical Biometry and Statistics. 3a. ed. W. B. Saunders Co., 1940.
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