APA
Butler R. J., . (1999). The Economics of Social Insurance and Employee Benefits. : Springer Science & Business Media.
Chicago
Butler Richard J, . 1999. The Economics of Social Insurance and Employee Benefits. : Springer Science & Business Media.
Harvard
Butler R. J., . (1999). The Economics of Social Insurance and Employee Benefits. : Springer Science & Business Media.
MLA
Butler Richard J, . The Economics of Social Insurance and Employee Benefits. : Springer Science & Business Media. 1999.