Dyfyniad APA

Brass, W. (1975). Methods for estimating fertility and mortality from limted and defective data. University of North Carolina at Chapel Hill.

Dyfyniad Arddull Chicago

Brass, William. Methods for Estimating Fertility and Mortality from Limted and Defective Data. Chapel Hill, N.C: University of North Carolina at Chapel Hill, 1975.

Dyfyniad MLA

Brass, William. Methods for Estimating Fertility and Mortality from Limted and Defective Data. University of North Carolina at Chapel Hill, 1975.

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