APA aipamena

Varma, O., & Ahuja B.N. Text book of industrial economics. Careers digest publications.

Chicago Style aipamena

Varma, O.P, and Ahuja B.N. Text Book of Industrial Economics. Delhi: Careers digest publications.

MLA aipamena

Varma, O.P, and Ahuja B.N. Text Book of Industrial Economics. Careers digest publications.