Statistical charts and indicators on the situation of youth, 1970-1990. Naciones Unidas.
Cita Chicago (17th ed.)Statistical Charts and Indicators on the Situation of Youth, 1970-1990. Nueva York: Naciones Unidas.
Cita MLA (9th ed.)Statistical Charts and Indicators on the Situation of Youth, 1970-1990. Naciones Unidas.
Atenció: Aquestes cites poden no estar 100% correctes.