APA (7th ed.) Zitazioa
Aberth, J. (2010). Plagues in world history. Rowman & Littlefield.
Chicago Style (17th ed.) Zitazioa
Aberth, John. Plagues in World History. Lanham, MD: Rowman & Littlefield, 2010.
MLA (9th ed.) Zitazioa
Aberth, John. Plagues in World History. Rowman & Littlefield, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.