UNAIDS. (1999). HIV/AIDS learning package for secondary school adolescents.
Cita Chicago Style (17a ed.)UNAIDS. HIV/AIDS Learning Package for Secondary School Adolescents. 1999.
Cita MLA (8a ed.)UNAIDS. HIV/AIDS Learning Package for Secondary School Adolescents. 1999.
Precaución: Estas citas no son 100% exactas.