Ryan, J. A. (1909). A Programme of Social Reform By Legislation. New York.
Chicago Style aipamenaRyan, John A. A Programme of Social Reform By Legislation. New York, 1909.
MLA aipamenaRyan, John A. A Programme of Social Reform By Legislation. New York, 1909.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.