Unesco. (1969). Bibliography of Interlingual Scientific and technical Dictionaries (5th ed.). Unesco.
Cita Chicago Style (17a ed.)Unesco. Bibliography of Interlingual Scientific and Technical Dictionaries. 5th ed. Paris: Unesco, 1969.
Cita MLA (9a ed.)Unesco. Bibliography of Interlingual Scientific and Technical Dictionaries. 5th ed. Unesco, 1969.
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