Mehr, R. I., & Wales, H. G. (1950). Business life insurance and its economic applications. University of Illinois.
Chicago-viite (17. p.)Mehr, Robert Irwin, ja Hugh G. Wales. Business Life Insurance and Its Economic Applications. Urbana: University of Illinois, 1950.
MLA-viite (8. p.)Mehr, Robert Irwin, ja Hugh G. Wales. Business Life Insurance and Its Economic Applications. University of Illinois, 1950.
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