Barrow, K. (1985). Helen Hayes: First lady of the American theatre. Doubleday.
Cita Chicago Style (17a ed.)Barrow, Kenneth. Helen Hayes: First Lady of the American Theatre. Garden City, New York: Doubleday, 1985.
Cita MLA (8a ed.)Barrow, Kenneth. Helen Hayes: First Lady of the American Theatre. Doubleday, 1985.
Precaución: Estas citas no son 100% exactas.