एपीए उद्धरण

Avtar Singh. (2014). Principles of the law of evidence (21st ed.). Central Law Publications.

शिकागो स्टाइल उद्धरण

Avtar Singh. Principles of the Law of Evidence. 21st ed. Allahabad: Central Law Publications, 2014.

एमएलए उद्धरण

Avtar Singh. Principles of the Law of Evidence. 21st ed. Central Law Publications, 2014.