Boyum, J. G. (1989). Double exposure. Seagull Books.
Chicago Style aipamenaBoyum, Joy Gould. Double Exposure. Culcutta: Seagull Books, 1989.
MLA aipamenaBoyum, Joy Gould. Double Exposure. Seagull Books, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.