Statistical charts and indicators on the situation of youth, 1970-1990. Naciones Unidas.
Chicagoスタイル(17版)引用形式Statistical Charts and Indicators on the Situation of Youth, 1970-1990. Nueva York: Naciones Unidas.
MLA(9版)引用形式Statistical Charts and Indicators on the Situation of Youth, 1970-1990. Naciones Unidas.
警告: この引用は必ずしも正確ではありません.