@misc{PTASZEK_Stanisław_SOCIAL_2013-12-01,
 author={PTASZEK Stanisław},
 howpublished={online},
 year={2013-12-01},
 title={SOCIAL SECURITY, THEORETICAL AND PRACTICAL BASES, BY ALEKSANDRA SKRABACZ (EDIT), ELLIPSE PUBLISHING HOUSE, WARSAW 2012},
 doi={10.37055/sbn/147563},
}