APA
,, . (1991). Developments in national social security legislation : Taxation of social security benefits and contributions. Strasbourg: Council of Europe.
Chicago
,, . 1991. Developments in national social security legislation : Taxation of social security benefits and contributions. Strasbourg: Council of Europe.
Harvard
,, . (1991). Developments in national social security legislation : Taxation of social security benefits and contributions. Strasbourg: Council of Europe.
MLA
,, . Developments in national social security legislation : Taxation of social security benefits and contributions. Strasbourg: Council of Europe. 1991.