U.S. Bureau of the Census. (1965). Tests of use of post office resources to improve coverage of censuses. s.n.
Citace podle Chicago (17th ed.)U.S. Bureau of the Census. Tests of Use of Post Office Resources to Improve Coverage of Censuses. [Washington: s.n, 1965.
Citace podle MLA (9th ed.)U.S. Bureau of the Census. Tests of Use of Post Office Resources to Improve Coverage of Censuses. s.n, 1965.
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