Unesco. Social Science Documentation Centre. (1990). World directory of social science institutions: Research, advanced training, documentation, professional bodies (5th ed.). Unesco.
Citace podle Chicago (17th ed.)Unesco. Social Science Documentation Centre. World Directory of Social Science Institutions: Research, Advanced Training, Documentation, Professional Bodies. 5th ed. Paris: Unesco, 1990.
Citace podle MLA (9th ed.)Unesco. Social Science Documentation Centre. World Directory of Social Science Institutions: Research, Advanced Training, Documentation, Professional Bodies. 5th ed. Unesco, 1990.
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