(1989). [Ulanova, Galina Sergeevna].
Lua i Stíl Chicago (17ú heag.)[Ulanova, Galina Sergeevna]. 1989.
Lua MLA (9ú heag.)[Ulanova, Galina Sergeevna]. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)