Columbia subject headings:
European Economic Community countries--Commerce--Mediterranean Region.
European Economic Community--Mediterranean Region.
Mediterranean Region--Commerce--European Economic Community countries.
Harvard subject headings:
European Economic Community countries--Commerce--Mediterranean Region.
European Economic Community--Mediterranean Region.
Mediterranean Region--Commerce--European Economic Community countries.
Princeton subject headings:
European Economic Community countries--Commerce--Mediterannean Region.
European Economic Community--Mediterranean Region.
Mediterranean Region--Commerce--European Economic Community countries.