League of Nations. (1928). Official vital statistics of Switzerland. [s.n.].
Lua i Stíl Chicago (17ú heag.)League of Nations. Official Vital Statistics of Switzerland. Geneva: [s.n.], 1928.
Lua MLA (9ú heag.)League of Nations. Official Vital Statistics of Switzerland. [s.n.], 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.