Hobbs, C. R. (1987). Time power. New York: Harper & Row.
Trích dẫn kiểu ChicagoHobbs, Charles R. Time Power. New York: Harper & Row, 1987.
MLA引文Hobbs, Charles R. Time Power. New York: Harper & Row, 1987.
警告：这些引文格式不一定是100％准确.
APA引文