Pal, S. (2004). Managerial economics. Macmillan India.
Chicago Style aipamenaPal, Sumitra. Managerial Economics. New Delhi: Macmillan India, 2004.
MLA aipamenaPal, Sumitra. Managerial Economics. Macmillan India, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.