Petrovskini, V. F. (1985). An effective instrument of peace: 40th anniversary of the United Nations. Novosti Press.
Lua i Stíl Chicago (17ú heag.)Petrovskini, Vladimir Fedorovich. An Effective Instrument of Peace: 40th Anniversary of the United Nations. Moscow: Novosti Press, 1985.
Lua MLA (9ú heag.)Petrovskini, Vladimir Fedorovich. An Effective Instrument of Peace: 40th Anniversary of the United Nations. Novosti Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.