International Social Security Association, 12th general meeting, Mexico, 1955. (1956). Recent developments in the field of social security, 1953-1955. [s.n.
芝加哥风格引文International Social Security Association, 12th general meeting, Mexico, 1955. Recent Developments in the Field of Social Security, 1953-1955. Geneva: [s.n, 1956.
MLA引文International Social Security Association, 12th general meeting, Mexico, 1955. Recent Developments in the Field of Social Security, 1953-1955. [s.n, 1956.
警告：这些引文格式不一定是100％准确.