एपीए उद्धरण

Romila Thapar. (2013). Past before us- historical traditions of early north India. Permanent black.

शिकागो स्टाइल उद्धरण

Romila Thapar. Past Before Us- Historical Traditions of Early North India. Ranikhet: Permanent black, 2013.

एमएलए उद्धरण

Romila Thapar. Past Before Us- Historical Traditions of Early North India. Permanent black, 2013.