Παραπομπή APA

Dalela, S. (1983). Text book of work study/3e (3rd ed.). Standard publications distributors.

Παραπομπή Chicago Style

Dalela, Suresh. Text Book of Work Study/3e. 3rd ed. Delhi: Standard publications distributors, 1983.

Παραπομπή MLA

Dalela, Suresh. Text Book of Work Study/3e. 3rd ed. Standard publications distributors, 1983.