Não informado. (1911). Journal of the Institute of Actuaries Students Society. Institute of Actuaries Students Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Institute of Actuaries Students Society. Cambridge, Inglaterra: Institute of Actuaries Students Society, 1911.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Institute of Actuaries Students Society. Institute of Actuaries Students Society, 1911.
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