Dickinson, R. L., Morris, W. E., & Matsner, E. M. (1941). Techniques of conception control. Williams & Wilkins Co..
Lua i Stíl Chicago (17ú heag.)Dickinson, Robert Latou, Woodbridge Edwards Morris, agus Eric Milton Matsner. Techniques of Conception Control. Baltimore: Williams & Wilkins Co., 1941.
Lua MLA (8ú heag.)Dickinson, Robert Latou, et al. Techniques of Conception Control. Williams & Wilkins Co., 1941.
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