Organizace spojených národů. Evropská hospodářská komise, Sword, Keith, ed., Frejka, Tomas, ed. a Okólski, Marek, ed. In-depth studies on migration in Central and Eastern Europe: the case of Poland. New York: United Nations, 1998. xxiv, 229 s. Economic studies, no. 11.
Sword, K., Frejka, T., & Okólski, M. (1998). In-depth studies on migration in Central and Eastern Europe: The case of Poland. New York ; Geneva: United Nations.
Styl ChicagoSword, Keith, Tomas Frejka, and Marek Okólski. In-depth Studies On Migration in Central and Eastern Europe: The Case of Poland. New York ; Geneva: United Nations, 1998.
Citace podle MLASword, Keith, Tomas Frejka, and Marek Okólski. In-depth Studies On Migration in Central and Eastern Europe: The Case of Poland. New York ; Geneva: United Nations, 1998.
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