Poliak, N. O. (2014). Basic Grounds of Formation of the Concept of Social Security of Economically Active Population.
Chicago-Zitierstil (17. Ausg.)Poliak, N. O. Basic Grounds of Formation of the Concept of Social Security of Economically Active Population. 2014.
MLA-Zitierstil (8. Ausg.)Poliak, N. O. Basic Grounds of Formation of the Concept of Social Security of Economically Active Population. 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.