Dyfyniad APA

Keyfitz, N. (1968). World population: An analysis of vital data. University of Chicago Pr..

Dyfyniad Arddull Chicago

Keyfitz, Nathan. World Population: An Analysis of Vital Data. Chicago: University of Chicago Pr., 1968.

Dyfyniad MLA

Keyfitz, Nathan. World Population: An Analysis of Vital Data. University of Chicago Pr., 1968.

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