Não informado. (1933). Insurance almanac: Who, what, when and where in insurance. Underwriter Printing.
Chicago-viite (17. p.)Não informado. Insurance Almanac: Who, What, When and Where in Insurance. Englewood, NJ: Underwriter Printing, 1933.
MLA-viite (8. p.)Não informado. Insurance Almanac: Who, What, When and Where in Insurance. Underwriter Printing, 1933.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.