International Conference on Science Abstracting (1949 : Paris). (1951). Final report. UNESCO.
Cita Chicago (17th ed.)International Conference on Science Abstracting (1949 : Paris). Final Report. [Paris]: UNESCO, 1951.
Cita MLA (9th ed.)International Conference on Science Abstracting (1949 : Paris). Final Report. UNESCO, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.