Polski Instytut Spraw Międzynarodowych, Dębski, S., Długołęcki, P., & Granas, J. (2017). Polish documents on foreign policy: 11 November 1918 - 28 June 1919. The Polish Institute of International Affairs.
Citazione stile Chigago Style (17a edizione)Polski Instytut Spraw Międzynarodowych, Sławomir Dębski, Piotr Długołęcki, e Jean-Jacques Granas. Polish Documents on Foreign Policy: 11 November 1918 - 28 June 1919. Warszawa: The Polish Institute of International Affairs, 2017.
Citatione MLA (9a ed.)Polski Instytut Spraw Międzynarodowych, et al. Polish Documents on Foreign Policy: 11 November 1918 - 28 June 1919. The Polish Institute of International Affairs, 2017.
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