एपीए उद्धरण

Birla Institute of Scientific Research. (1980). In-migration and informal sector: A case study of Urban Delhi. Vision.

शिकागो स्टाइल उद्धरण

Birla Institute of Scientific Research. In-migration and Informal Sector: A Case Study of Urban Delhi. New Delhi: Vision, 1980.

एमएलए उद्धरण

Birla Institute of Scientific Research. In-migration and Informal Sector: A Case Study of Urban Delhi. Vision, 1980.