United Nations Educational, Scientific and Cultural Organization, & Aitchison, Hean. (1977). Unesco thesaurus: A structured list of descriptors for indexing and retrieving literature in the fields of eduction, science, social science, culture and communication. Unesco.
Citação do estilo Chicago (17ª ed.)United Nations Educational, Scientific and Cultural Organization, e Hean Aitchison. Unesco Thesaurus: A Structured List of Descriptors for Indexing and Retrieving Literature in the Fields of Eduction, Science, Social Science, Culture and Communication. Paris: Unesco, 1977.
Citação MLA (9ª ed.)United Nations Educational, Scientific and Cultural Organization, e Hean Aitchison. Unesco Thesaurus: A Structured List of Descriptors for Indexing and Retrieving Literature in the Fields of Eduction, Science, Social Science, Culture and Communication. Unesco, 1977.