APA-referens (7:e uppl.)
Poptcheva, E. (2014). Multilevel citizenship: The right to consular protection of EU citizens abroad. P.I.E. Peter Lang.
Chicago-referens (17:e uppl.)
Poptcheva, Eva-Maria. Multilevel Citizenship: The Right to Consular Protection of EU Citizens Abroad. Brussels, Belgium: P.I.E. Peter Lang, 2014.
MLA-referens (9:e uppl.)
Poptcheva, Eva-Maria. Multilevel Citizenship: The Right to Consular Protection of EU Citizens Abroad. P.I.E. Peter Lang, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.