Williams, L. (2001). The Baltic Sea region: Forms and functions of regional co-operation. Wydaw. Uniwersytetu Gdańskiego ; Nordeuropa-Institut der Humboldt-Universität.
Citazione stile Chigago Style (17a edizione)Williams, Leena-Kaarina. The Baltic Sea Region: Forms and Functions of Regional Co-operation. Gdańsk : Berlin: Wydaw. Uniwersytetu Gdańskiego ; Nordeuropa-Institut der Humboldt-Universität, 2001.
Citatione MLA (9a ed.)Williams, Leena-Kaarina. The Baltic Sea Region: Forms and Functions of Regional Co-operation. Wydaw. Uniwersytetu Gdańskiego ; Nordeuropa-Institut der Humboldt-Universität, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.