Beard, C. A., & Radin, G. (1929). The Balkan pivot: Yugoslavia ; a study in government and administration. The Macmillan co.
Lua i Stíl Chicago (17ú heag.)Beard, Charles Austin, agus George Radin. The Balkan Pivot: Yugoslavia ; a Study in Government and Administration. New York: The Macmillan co, 1929.
Lua MLA (9ú heag.)Beard, Charles Austin, agus George Radin. The Balkan Pivot: Yugoslavia ; a Study in Government and Administration. The Macmillan co, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.