Doherty, P. C. (1994). The song of a dark angel. Headline.
Chicago Style aipamenaDoherty, P. C. The Song of a Dark Angel. London: Headline, 1994.
MLA aipamenaDoherty, P. C. The Song of a Dark Angel. Headline, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.