एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Chopra, Ds. Payment of Gratuity Act,1972. 2nd ed. Calcutta: Eastern law house, 1979.

एमएलए उद्धरण

Chopra, Ds. Payment of Gratuity Act,1972. 2nd ed. Eastern law house, 1979.