International Council of Scientific Unions. General Assembly, International Council of Scientific Unions, & International Council of Scientific Unions. (1981). Extraordinary session of the General Assembly, Amsterdam, 8 September 1980 and 18 General Assembly of ICSU, Amsterdam, 8-12 September 1980. - Paris, 1981. ICSU Secretariat.
Chicago-Zitierstil (17. Ausg.)International Council of Scientific Unions. General Assembly, International Council of Scientific Unions, und International Council of Scientific Unions. Extraordinary Session of the General Assembly, Amsterdam, 8 September 1980 and 18 General Assembly of ICSU, Amsterdam, 8-12 September 1980. - Paris, 1981. Paris: ICSU Secretariat, 1981.
MLA-Zitierstil (9. Ausg.)International Council of Scientific Unions. General Assembly, et al. Extraordinary Session of the General Assembly, Amsterdam, 8 September 1980 and 18 General Assembly of ICSU, Amsterdam, 8-12 September 1980. - Paris, 1981. ICSU Secretariat, 1981.