Barrow, K. (1985). Helen Hayes: First lady of the American theatre. Doubleday.
Chicago-Zitierstil (17. Ausg.)Barrow, Kenneth. Helen Hayes: First Lady of the American Theatre. Garden City, New York: Doubleday, 1985.
MLA-Zitierstil (8. Ausg.)Barrow, Kenneth. Helen Hayes: First Lady of the American Theatre. Doubleday, 1985.
警告：這些引文格式不一定是100％准確.