APA aipamena

Dugdale, B. E. (1920). Arthur James balfour. New York: G. P. Putnam's Sons.

Chicago Style aipamena

Dugdale, Blanche E. Arthur James Balfour. New York: G. P. Putnam's Sons, 1920.

MLA aipamena

Dugdale, Blanche E. Arthur James Balfour. New York: G. P. Putnam's Sons, 1920.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.