Official handbook of the European Parliament :
1st legislative period, 1979-1984 /
prepared by the Secretariat.

APA Citation

European Parliament. (1980). Official handbook of the European Parliament: 1st legislative period, 1979-1984. [Luxembourg?]: European Parliament.

MLA Citation

European Parliament. Official Handbook of the European Parliament: 1st Legislative Period, 1979-1984. [Luxembourg?]: European Parliament, 1980.

Warning: These citations may not always be complete (especially for serials).