Παραπομπή APA
Cummins, J. D. (1975). An econometric model of the life insurance sector of the U.S. economy. Lexington, Mass: Lexington Books.
Παραπομπή Chicago StyleCummins, J. David. An Econometric Model of the Life Insurance Sector of the U.S. Economy. Lexington, Mass: Lexington Books, 1975.
Παραπομπή MLACummins, J. David. An Econometric Model of the Life Insurance Sector of the U.S. Economy. Lexington, Mass: Lexington Books, 1975.
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