Unesco. (1969). Bibliography of Interlingual Scientific and technical Dictionaries (5th ed.). Unesco.
Cita Chicago (17th ed.)Unesco. Bibliography of Interlingual Scientific and Technical Dictionaries. 5th ed. Paris: Unesco, 1969.
Cita MLA (9th ed.)Unesco. Bibliography of Interlingual Scientific and Technical Dictionaries. 5th ed. Unesco, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.