American Chamber of Commerce in Belgium. EC Committee. (1994). The EC environment guide. Belgium.
Citazione stile Chigago Style (17a edizione)American Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. EC Committee of the American Chamber of Commerce: Belgium, 1994.
Citatione MLA (8a ed.)American Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. Belgium, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.