Wieczynski, J. L. (1988). Supplement. Archives in the Union Republics of the Soviet Union - Daugavpils. Acad. Int. Press.
Chicago-referens (17:e uppl.)Wieczynski, Joseph L. Supplement. Archives in the Union Republics of the Soviet Union - Daugavpils. Gulf Breeze: Acad. Int. Press, 1988.
MLA-referens (8:e uppl.)Wieczynski, Joseph L. Supplement. Archives in the Union Republics of the Soviet Union - Daugavpils. Acad. Int. Press, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.