The economic and social council - united nations. (1959). Survey of the Main Trends of Scientific research and Dissemination of scientific Knowledge in U.A.R. societe national de publicite (SOP press).
Chicago (17e ed.) BronvermeldingThe economic and social council - united nations. Survey of the Main Trends of Scientific Research and Dissemination of Scientific Knowledge in U.A.R. Cairo: societe national de publicite (SOP press), 1959.
MLA (9e ed.) BronvermeldingThe economic and social council - united nations. Survey of the Main Trends of Scientific Research and Dissemination of Scientific Knowledge in U.A.R. societe national de publicite (SOP press), 1959.