Não informado. (1933). Insurance almanac: Who, what, when and where in insurance. Underwriter Printing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Insurance Almanac: Who, What, When and Where in Insurance. Englewood, NJ: Underwriter Printing, 1933.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Insurance Almanac: Who, What, When and Where in Insurance. Underwriter Printing, 1933.
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