APA استشهاد

Chopra,R.K. (1999). Office organisation and management (8th rev. ed.). Himalaya.

استشهاد بنمط شيكاغو

Chopra,R.K. Office Organisation and Management. 8th rev. ed. Mumbai: Himalaya, 1999.

MLA استشهاد

Chopra,R.K. Office Organisation and Management. 8th rev. ed. Himalaya, 1999.