Cita APA (7a ed.)

Kremmel, P. (1991). The Single European market in the nineties. Commission Library.

Cita Chicago Style (17a ed.)

Kremmel, P. The Single European Market in the Nineties. Bruxelles: Commission Library, 1991.

Cita MLA (9a ed.)

Kremmel, P. The Single European Market in the Nineties. Commission Library, 1991.