Não informado. (1976). Important for the Future. United Nations, Institute for Training and Research.
Citação do estilo Chicago (17ª ed.)Não informado. Important for the Future. New York: United Nations, Institute for Training and Research, 1976.
Citação MLA (8ª ed.)Não informado. Important for the Future. United Nations, Institute for Training and Research, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.