Black, H. (1909). Culture and restraint. F.H. Revell Company.
Chicago Style aipamenaBlack, Hugh. Culture and Restraint. New York, Chicago: F.H. Revell Company, 1909.
MLA aipamenaBlack, Hugh. Culture and Restraint. F.H. Revell Company, 1909.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.