एपीए उद्धरण

Sumangala, M., & Nagarajan, B. S. (1993). Economics of child labour and fertility. B R Publication Corporaton.

शिकागो स्टाइल उद्धरण

Sumangala, M., और B. S. Nagarajan. Economics of Child Labour and Fertility. Delhi: B R Publication Corporaton, 1993.

एमएलए उद्धरण

Sumangala, M., और B. S. Nagarajan. Economics of Child Labour and Fertility. B R Publication Corporaton, 1993.