Hawkins, G. (1985). U.S.A by bus and train. New York: Pantheon Books.
Παραπομπή Chicago StyleHawkins, Gary. U.S.A By Bus and Train. New York: Pantheon Books, 1985.
MLA引文Hawkins, Gary. U.S.A By Bus and Train. New York: Pantheon Books, 1985.
警告：这些引文格式不一定是100％准确.