United Nations. Dept. of Economic and Social Affairs. (1959). The development of national social service programmes. United Nations.
Chicago-viite (17. p.)United Nations. Dept. of Economic and Social Affairs. The Development of National Social Service Programmes. N.Y.: United Nations, 1959.
MLA-viite (8. p.)United Nations. Dept. of Economic and Social Affairs. The Development of National Social Service Programmes. United Nations, 1959.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.