Tohutoro APA (7th ed.)

SINGH, S. (1980). Econometrics and mathematical economics (2nd ed.). S. Chand.

Tohutoru Kātū Chicago (17th ed.)

SINGH, S.P. Econometrics and Mathematical Economics. 2nd ed. New Delhi: S. Chand, 1980.

Tohutoro MLA (9th ed.)

SINGH, S.P. Econometrics and Mathematical Economics. 2nd ed. S. Chand, 1980.