Adolescent Health : Fact Sheet : DPR Korea(PDF). Adolescent of Health Development (AHD) Unit, Department of Family and Community Health, World Health Organization: 3. January 2007 [2015-12-07]. (原始内容存档(PDF)于2017-02-11).
Library of Congress – Federal Research Division. Country Profile: North Korea(PDF). Library of Congress – Federal Research Division. 2007 [2010-10-06].
Adolescent Health : Fact Sheet : DPR Korea(PDF). Adolescent of Health Development (AHD) Unit, Department of Family and Community Health, World Health Organization: 3. January 2007 [2015-12-07]. (原始内容存档(PDF)于2017-02-11).