Rao, K. (1993). Research methodology in commerce and management. Sterling.
Chicago Style aipamenaRao, K.V. Research Methodology in Commerce and Management. New Delhi: Sterling, 1993.
MLA aipamenaRao, K.V. Research Methodology in Commerce and Management. Sterling, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.