APA-referens (7:e uppl.)
Silveira, A., Canotilho, M., & Froufe, P. M. (2013). Citizenship and solidarity in the European Union: From the charter of fundamental rights to the crisis, the state of the art. P.I.E. Peter Lang.
Chicago-referens (17:e uppl.)
Silveira, Alessandra, Mariana Canotilho, och Pedro Madeira Froufe. Citizenship and Solidarity in the European Union: From the Charter of Fundamental Rights to the Crisis, the State of the Art. Brussels, Belgium: P.I.E. Peter Lang, 2013.
MLA-referens (9:e uppl.)
Silveira, Alessandra, et al. Citizenship and Solidarity in the European Union: From the Charter of Fundamental Rights to the Crisis, the State of the Art. P.I.E. Peter Lang, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.