Derks, S. (2012). This is who we were: A companion to the 1940 census. Grey House Pub..
Citace podle Chicago (17th ed.)Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Amenia, N.Y.: Grey House Pub., 2012.
Citace podle MLA (9th ed.)Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Grey House Pub., 2012.
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