U. S. Bureau of the Census. (1960). The accuracy of census statistics with and withour sampling. s.n.
芝加哥风格引文U. S. Bureau of the Census. The Accuracy of Census Statistics with and Withour Sampling. Washington: s.n, 1960.
MLA引文U. S. Bureau of the Census. The Accuracy of Census Statistics with and Withour Sampling. s.n, 1960.
警告：这些引文格式不一定是100％准确.