Rippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
Citazione stile Chigago Style (17a edizione)Rippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
Citatione MLA (9a ed.)Rippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.