Dyfyniad APA

Bulatao, R. A., & Elwan, A. (1985). Fertility and mortality transition: Patterns, projections and interdependence. World Bank.

Dyfyniad Arddull Chicago

Bulatao, Rodolfo A., and Ann Elwan. Fertility and Mortality Transition: Patterns, Projections and Interdependence. Washington: World Bank, 1985.

Dyfyniad MLA

Bulatao, Rodolfo A., and Ann Elwan. Fertility and Mortality Transition: Patterns, Projections and Interdependence. World Bank, 1985.

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