Dugdale, B. E. (1920). Arthur James balfour. New York: G. P. Putnam's Sons.
Chicago Style CitationDugdale, Blanche E. Arthur James Balfour. New York: G. P. Putnam's Sons, 1920.
Cita MLADugdale, Blanche E. Arthur James Balfour. New York: G. P. Putnam's Sons, 1920.
Atenció: Aquestes cites poden no estar 100% correctes.