Dyfyniad APA

Reher, D. S., & Schofield, R. (1993). Old and new methods in historical demography. Clarendon Press.

Dyfyniad Arddull Chicago

Reher, David Sven, and Roger Schofield. Old and New Methods in Historical Demography. Oxford [Eng.]: Clarendon Press, 1993.

Dyfyniad MLA

Reher, David Sven, and Roger Schofield. Old and New Methods in Historical Demography. Clarendon Press, 1993.

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