APA (7th ed.) Zitazioa
ebrary, Inc, Graham-Campbell, J., & Williams, G. (2007). Silver economy in the Viking age. Left Coast Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, James Graham-Campbell, eta Gareth Williams. Silver Economy in the Viking Age. Walnut Creek, Calif.: Left Coast Press, 2007.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Silver Economy in the Viking Age. Left Coast Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.