Richardson, H. E. (1962). Tibet and its history. London: Oxford university Press.
Chicago Style aipamenaRichardson, H. E. Tibet and Its History. London: Oxford university Press, 1962.
MLA aipamenaRichardson, H. E. Tibet and Its History. London: Oxford university Press, 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.