Wallace, D. M. Russia.
Lua i Stíl Chicago (17ú heag.)Wallace, Donald Mackenzie. Russia.
Lua MLA (9ú heag.)Wallace, Donald Mackenzie. Russia.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)