Ссылки
ISO 1539, Programming Languages - FORTRAN (endorsement by ISO of American National Standard X3.9).
ISO 1989, Programming Languages - COBOL (endorsement by ISO of American National Standard X3.23).
ISO 6160, Programming Languages - PL/1 (endorsement by ISO of American National Standard X3.53).
ISO 7185, Programming Languages - Pascal (endorsement by ISO of British Standard 6192 for the English text).