APA استشهاد

Chopra, D. (1979). Payment of gratuity act, 1972/2e (2nd ed.). Eastern law house.

استشهاد بنمط شيكاغو

Chopra, D.S. Payment of Gratuity Act, 1972/2e. 2nd ed. Calcutta: Eastern law house, 1979.

MLA استشهاد

Chopra, D.S. Payment of Gratuity Act, 1972/2e. 2nd ed. Eastern law house, 1979.