Petrovskini, V. F. (1985). An effective instrument of peace: 40th anniversary of the United Nations. Novosti Press.
Chicago-viite (17. p.)Petrovskini, Vladimir Fedorovich. An Effective Instrument of Peace: 40th Anniversary of the United Nations. Moscow: Novosti Press, 1985.
MLA-viite (9. p.)Petrovskini, Vladimir Fedorovich. An Effective Instrument of Peace: 40th Anniversary of the United Nations. Novosti Press, 1985.
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