Ch'ên, J. (1961). Yuan Shih - K'ai 1859 - 1916: Brutus assumes the purple. London: George Allen & Wnwin.
Chicago Style aipamenaCh'ên, Jerome. Yuan Shih - K'ai 1859 - 1916: Brutus Assumes the Purple. London: George Allen & Wnwin, 1961.
MLA aipamenaCh'ên, Jerome. Yuan Shih - K'ai 1859 - 1916: Brutus Assumes the Purple. London: George Allen & Wnwin, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.