Não informado. (1999). The Polish Quarterly of International Affairs. Polish Institute of International Affairs.
Chicago (17e ed.) BronvermeldingNão informado. The Polish Quarterly of International Affairs. Warszawa: Polish Institute of International Affairs, 1999.
MLA (8e ed.) BronvermeldingNão informado. The Polish Quarterly of International Affairs. Polish Institute of International Affairs, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.