Wilbur, R. (2003). The voice of the poet. New York: Random House.
Trích dẫn kiểu ChicagoWilbur, Richard. The Voice of the Poet. New York: Random House, 2003.
MLA引文Wilbur, Richard. The Voice of the Poet. New York: Random House, 2003.
警告:这些引文格式不一定是100%准确.