Gould, L. L. (2012). Theodore Roosevelt. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoGould, Lewis L. Theodore Roosevelt. Oxford: Oxford University Press, 2012.
MLA引文Gould, Lewis L. Theodore Roosevelt. Oxford: Oxford University Press, 2012.
警告：這些引文格式不一定是100％准確.