Kremmel, P. (1991). The Single European market in the nineties. Commission Library.
Citazione stile Chigago Style (17a edizione)Kremmel, P. The Single European Market in the Nineties. Bruxelles: Commission Library, 1991.
Citatione MLA (9a ed.)Kremmel, P. The Single European Market in the Nineties. Commission Library, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.