APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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