Norwegian American Historical Association. (1990). Travel and description series / The Norwegian-American Historical Association.
Citazione stile Chigago Style (17a edizione)Norwegian American Historical Association. Travel and Description Series / The Norwegian-American Historical Association. Northfield, Minn, 1990.
Citatione MLA (9a ed.)Norwegian American Historical Association. Travel and Description Series / The Norwegian-American Historical Association. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
