Duun, O., & Bjorkman, E. (1928). Good conscience. Harper & brothers.
Chicago Style aipamenaDuun, Olav, and Edwin Bjorkman. Good Conscience. New York, London: Harper & brothers, 1928.
MLA aipamenaDuun, Olav, and Edwin Bjorkman. Good Conscience. Harper & brothers, 1928.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.