APA
Frans Pennings, Blanpain R. & Opstal M. (1999). Social security law : Supplement 30 case law. : Klumer Law international P.O. Box 322 3300 AH Dordrecht.
Chicago
Frans Pennings, Blanpain R and Opstal M. 1999. Social security law : Supplement 30 case law. : Klumer Law international P.O. Box 322 3300 AH Dordrecht.
Harvard
Frans Pennings, Blanpain R. and Opstal M. (1999). Social security law : Supplement 30 case law. : Klumer Law international P.O. Box 322 3300 AH Dordrecht.
MLA
Frans Pennings, Blanpain R and Opstal M. Social security law : Supplement 30 case law. : Klumer Law international P.O. Box 322 3300 AH Dordrecht. 1999.
TextSeries: International encyclopaedia of lawsPublication details: Klumer Law international P.O. Box 322 3300 AH Dordrecht 1999Description: 2116 p. 24 cmUniform titles: 
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