APA
Schoenmaeckers R., Kotowska I., . (2005). Population ageing and its challenges to social policy. Strasbourg: Council of Europe.
Chicago
Schoenmaeckers Ronald, Kotowska Irena, . 2005. Population ageing and its challenges to social policy. Strasbourg: Council of Europe.
Harvard
Schoenmaeckers R., Kotowska I., . (2005). Population ageing and its challenges to social policy. Strasbourg: Council of Europe.
MLA
Schoenmaeckers Ronald, Kotowska Irena, . Population ageing and its challenges to social policy. Strasbourg: Council of Europe. 2005.