Bischoff, A., & Greene, G. (2013). Greene, Graham - Bischoff, Anthony, S.J., Collection. DigitalGeorgetown.
Chicago Style aipamenaBischoff, Anthony, and Graham Greene. Greene, Graham - Bischoff, Anthony, S.J., Collection. Washington, D.C.: DigitalGeorgetown, 2013.
MLA aipamenaBischoff, Anthony, and Graham Greene. Greene, Graham - Bischoff, Anthony, S.J., Collection. DigitalGeorgetown, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.