Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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