APA-viite (7. p.)
Derks, S. (2012). This is who we were: A companion to the 1940 census. Grey House Pub..
Chicago-viite (17. p.)
Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Amenia, N.Y.: Grey House Pub., 2012.
MLA-viite (9. p.)
Derks, Scott. This Is Who We Were: A Companion to the 1940 Census. Grey House Pub., 2012.
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