Butcher, K., Ponting, M., Evans, J., Pashley, V., & Somerfield, C. (2014). The metallurgy of Roman silver coinage: From the reform of nero to the reform of trajan. Cambridge University Press.
Chicago Style aipamenaButcher, Kevin, Matthew Ponting, Jane Evans, Vanessa Pashley, and Christopher Somerfield. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan. UK: Cambridge University Press, 2014.
MLA aipamenaButcher, Kevin, et al. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan. Cambridge University Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.