Carlson. Electric Interurbans and the American People. Indiana University Press.
Citazione stile Chigago Style (17a edizione)Carlson. Electric Interurbans and the American People. Indiana University Press.
Citatione MLA (8a ed.)Carlson. Electric Interurbans and the American People. Indiana University Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.