Thomas, H. (1989). A history of the world. New York: Harper Torchbooks.
Trích dẫn kiểu ChicagoThomas, Hugh. A History of the World. New York: Harper Torchbooks, 1989.
MLA引文Thomas, Hugh. A History of the World. New York: Harper Torchbooks, 1989.
警告：这些引文格式不一定是100％准确.