Beaulac, W. L. (1951). Career ambassador. Macmillan.
Cita Chicago (17th ed.)Beaulac, Willard Leon. Career Ambassador. New York: Macmillan, 1951.
Cita MLA (9th ed.)Beaulac, Willard Leon. Career Ambassador. Macmillan, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.