American Chamber of Commerce in Belgium. EC Committee. (1994). The EC environment guide. Belgium.
Lua i Stíl Chicago (17ú heag.)American Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. EC Committee of the American Chamber of Commerce: Belgium, 1994.
Lua MLA (8ú heag.)American Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. Belgium, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.