Pixley, F., Pixley, F., & Mann, J. (1986). The epidemiology of gallstones in women.
Chicago Style aipamenaPixley, F., Fiona Pixley, and J. Mann. The Epidemiology of Gallstones in Women. 1986.
MLA aipamenaPixley, F., et al. The Epidemiology of Gallstones in Women. 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.