Bowers, N. L. (1997). Actuarial Mathematics (1st edition.). Act Society.
Chicago-čujuhus (17. p.)Bowers, Newton L. Actuarial Mathematics. 1st edition. California: Act Society, 1997.
MLA-čujuhus (9. p.)Bowers, Newton L. Actuarial Mathematics. 1st edition. Act Society, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.