Johnson, E. R. (1905). Insurance. American Academy of Political and Social Science.
Cita Chicago (17th ed.)Johnson, Emory R. Insurance. Philadelphia: American Academy of Political and Social Science, 1905.
Cita MLA (9th ed.)Johnson, Emory R. Insurance. American Academy of Political and Social Science, 1905.
Atenció: Aquestes cites poden no estar 100% correctes.