Fedorov, G. M., Korneevec, V. S., & Zverev, Û. M. (2011). Kaliningrad oblast of Russia in the transborder region South-Eastern Baltic. Wydawnictwo "Bernardinum".
Citazione stile Chigago Style (17a edizione)Fedorov, Gennadij Mihajlovič., Valentin Sergeevič Korneevec, e Ûrij Mihajlovič Zverev. Kaliningrad Oblast of Russia in the Transborder Region South-Eastern Baltic. Gdańsk ; Pelplin: Wydawnictwo "Bernardinum", 2011.
Citatione MLA (9a ed.)Fedorov, Gennadij Mihajlovič., et al. Kaliningrad Oblast of Russia in the Transborder Region South-Eastern Baltic. Wydawnictwo "Bernardinum", 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.