APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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