एपीए उद्धरण

Chopra, D. S. (1975). Industrial and labour references. Eastern Law House.

शिकागो स्टाइल उद्धरण

Chopra, D. S. Industrial and Labour References. Calcutta: Eastern Law House, 1975.

एमएलए उद्धरण

Chopra, D. S. Industrial and Labour References. Eastern Law House, 1975.