European Congress for Labour Law and Social Security Warschau. (1999). Reports to the 6th European Congress for Labour Law and Social Security: Congress under the patronage of Jerzy Buzek ; Warsaw, 13 - 17 September 1999. Wydawn. Naukowe Scholar.
Chicago-Zitierstil (17. Ausg.)European Congress for Labour Law and Social Security Warschau. Reports to the 6th European Congress for Labour Law and Social Security: Congress Under the Patronage of Jerzy Buzek ; Warsaw, 13 - 17 September 1999. Warszawa: Wydawn. Naukowe Scholar, 1999.
MLA-Zitierstil (9. Ausg.)European Congress for Labour Law and Social Security Warschau. Reports to the 6th European Congress for Labour Law and Social Security: Congress Under the Patronage of Jerzy Buzek ; Warsaw, 13 - 17 September 1999. Wydawn. Naukowe Scholar, 1999.