Fedorov, G. M., Korneevec, V. S., & Zverev, Û. M. (2011). Kaliningrad oblast of Russia in the transborder region South-Eastern Baltic. Wydawnictwo "Bernardinum".
Cita Chicago Style (17a ed.)Fedorov, Gennadij Mihajlovič., Valentin Sergeevič Korneevec, y Ûrij Mihajlovič Zverev. Kaliningrad Oblast of Russia in the Transborder Region South-Eastern Baltic. Gdańsk ; Pelplin: Wydawnictwo "Bernardinum", 2011.
Cita MLA (9a ed.)Fedorov, Gennadij Mihajlovič., et al. Kaliningrad Oblast of Russia in the Transborder Region South-Eastern Baltic. Wydawnictwo "Bernardinum", 2011.
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