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Цитирование в стиле Чикаго (17-е изд.)Science in Africa: Innovation in Higher Education. Wshington: America association for the advancement of science, 1992.
Цитирование MLA (9-е изд.)Science in Africa: Innovation in Higher Education. America association for the advancement of science, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.