Levin, R. I. (1995). Statistics for management. Prentice-Hall of India.
Chicago Style aipamenaLevin, Richard. I. Statistics for Management. New Delhi: Prentice-Hall of India, 1995.
MLA aipamenaLevin, Richard. I. Statistics for Management. Prentice-Hall of India, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.