Cita APA

World Population 1979: Recent demographic estimatec for the countries and regions of the world. Washington : U. S. Department of Commerce.

Citación estilo Chicago

World Population 1979: Recent Demographic Estimatec for the Countries and Regions of the World. Washington : U. S. Department of Commerce.

Cita MLA

World Population 1979: Recent Demographic Estimatec for the Countries and Regions of the World. Washington : U. S. Department of Commerce.

Precaución: Estas citas no son 100% exactas.