Rippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
Chicago Style (17th ed.) CitationRippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
MLA引文Rippelmeyer. Giant City State Park and the Civilian Conservation Corps. Southern Illinois University Press.
警告：這些引文格式不一定是100％准確.