International Conference on Social Welfare (14th : 1968 : Helsinki) & International Council on Social Welfare. (1969). Social welfare and human rights: Proceedings of the 14th International Conference on Social Welfare, Helsinki, Finland, August 18-24, 1968. Columbia University Press for the International Council on Social Welfare.
芝加哥风格引文International Conference on Social Welfare (14th : 1968 : Helsinki) 与 International Council on Social Welfare. Social Welfare and Human Rights: Proceedings of the 14th International Conference on Social Welfare, Helsinki, Finland, August 18-24, 1968. New York: Columbia University Press for the International Council on Social Welfare, 1969.
MLA引文International Conference on Social Welfare (14th : 1968 : Helsinki) 与 International Council on Social Welfare. Social Welfare and Human Rights: Proceedings of the 14th International Conference on Social Welfare, Helsinki, Finland, August 18-24, 1968. Columbia University Press for the International Council on Social Welfare, 1969.