Population Reference Bureau (Estados Unidos), Department of Economic and Social Affairs, & Population Division. (1999). World Population: More than Just. Numbers. Washington, DC US: Population Reference Bureau.
Chicago Style CitationPopulation Reference Bureau (Estados Unidos), Department of Economic and Social Affairs, and Population Division. World Population: More Than Just. Numbers. Washington, DC US: Population Reference Bureau, 1999.
MLA CitationPopulation Reference Bureau (Estados Unidos), Department of Economic and Social Affairs, and Population Division. World Population: More Than Just. Numbers. Washington, DC US: Population Reference Bureau, 1999.
Warning: These citations may not always be 100% accurate.