APA aipamena

Johns, J. (2002). Arabic administration in Norman Sicily: The royal dīwān. Cambridge, U.K.,New York, NY, USA: Cambridge University Press.

Chicago Style aipamena

Johns, Jeremy. Arabic Administration in Norman Sicily: The Royal Dīwān. Cambridge, U.K.,New York, NY, USA: Cambridge University Press, 2002.

MLA aipamena

Johns, Jeremy. Arabic Administration in Norman Sicily: The Royal Dīwān. Cambridge, U.K.,New York, NY, USA: Cambridge University Press, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.