Schmidt, U., Necker-Eberhardt, E., Herzog, N., & Herzog, A. (2011). Bessarabia: German Colonists on the Black Sea. Germans from Russia Heritage Collection (GRHC).
Chicago-referens (17:e uppl.)Schmidt, Ute, Elvire Necker-Eberhardt, Nancy Herzog, och Alexander Herzog. Bessarabia: German Colonists on the Black Sea. Fargo, ND USA: Germans from Russia Heritage Collection (GRHC), 2011.
MLA-referens (8:e uppl.)Schmidt, Ute, et al. Bessarabia: German Colonists on the Black Sea. Germans from Russia Heritage Collection (GRHC), 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.