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Lua i Stíl Chicago (17ú heag.)Institut problem upravleni︠i︡a (Akademi︠i︡a nauk SSSR) agus Alʹbert Fedorovich Volkov. Upravlenie Slozhnymi Tekhnicheskimi Sistemami: Sbornik Trudov. Moskva: In-t problem upravleni︠i︡a, 1987.
Lua MLA (8ú heag.)Institut problem upravleni︠i︡a (Akademi︠i︡a nauk SSSR) agus Alʹbert Fedorovich Volkov. Upravlenie Slozhnymi Tekhnicheskimi Sistemami: Sbornik Trudov. In-t problem upravleni︠i︡a, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.