Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.