Sallet, R. (1974). Russian-German Settlements in the United States. North Dakota Insitute for Regional Studies.
Citazione stile Chigago Style (17a edizione)Sallet, Richard. Russian-German Settlements in the United States. Fargo: North Dakota Insitute for Regional Studies, 1974.
Citatione MLA (8a ed.)Sallet, Richard. Russian-German Settlements in the United States. North Dakota Insitute for Regional Studies, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.