SINGH, S. (1980). Econometrics and mathematical economics. S. Chand.
Chicago Style (17th ed.) ZitazioaSINGH, S.P. Econometrics and Mathematical Economics. New Delhi: S. Chand, 1980.
MLA (9th ed.) ZitazioaSINGH, S.P. Econometrics and Mathematical Economics. S. Chand, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.