Eudin, X. J. Soviet foreign policy 1928-1934: Documents.
Lua i Stíl Chicago (17ú heag.)Eudin, Xenia Joukoff. Soviet Foreign Policy 1928-1934: Documents.
Lua MLA (9ú heag.)Eudin, Xenia Joukoff. Soviet Foreign Policy 1928-1934: Documents.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.