Schulberg, B. (1972). The four seasons of success. Doubleday.
Chicago Style aipamenaSchulberg, Budd. The Four Seasons of Success. Garden City, N.Y: Doubleday, 1972.
MLA aipamenaSchulberg, Budd. The Four Seasons of Success. Doubleday, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.