Archer, J. (2015). Mightier than the sword (Vol.5.). Macmillan.
Chicago Style aipamenaArcher, Jeffrey. Mightier than the Sword. Vol.5. London: Macmillan, 2015.
MLA aipamenaArcher, Jeffrey. Mightier than the Sword. Vol.5. Macmillan, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.