APA استشهاد

Gupta,R.K. (2007). Office management. Abhishek.

استشهاد بنمط شيكاغو

Gupta,R.K. Office Management. Chandigarh: Abhishek, 2007.

MLA استشهاد

Gupta,R.K. Office Management. Abhishek, 2007.