Παραπομπή APA

Sharma, H. (1988). Text book of work study. Oxford and IBH.

Παραπομπή Chicago Style

Sharma, H.D. Text Book of Work Study. New Delhi: Oxford and IBH, 1988.

Παραπομπή MLA

Sharma, H.D. Text Book of Work Study. Oxford and IBH, 1988.