UNESCO - United Nations Educational, Scientific and Cultural Organization (Institute for Statistics). (1970). Statistical yearbook ([1st ed.].). UNESCO.
Citácia podle Chicago (17th ed.)UNESCO - United Nations Educational, Scientific and Cultural Organization (Institute for Statistics). Statistical Yearbook. [1st ed.]. Paris: UNESCO, 1970.
Citácia podľa MLA (8th ed.)UNESCO - United Nations Educational, Scientific and Cultural Organization (Institute for Statistics). Statistical Yearbook. [1st ed.]. UNESCO, 1970.
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