MEHR, R. I., & GUSTAVSON, S. G. (1987). Life insurance: Theory and practice. --ed.4. Business.
Lua i Stíl Chicago (17ú heag.)MEHR, Robert I., agus Sandra G. GUSTAVSON. Life Insurance: Theory and Practice. --ed.4. Texas: Business, 1987.
Lua MLA (9ú heag.)MEHR, Robert I., agus Sandra G. GUSTAVSON. Life Insurance: Theory and Practice. --ed.4. Business, 1987.
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