ebrary, Inc, Citro, C. F., Cork, D. L., & Norwood, J. L. (2001). The 2000 Census: Interim assessment. National Academy Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Constance F. Citro, Daniel L. Cork, eta Janet Lippe Norwood. The 2000 Census: Interim Assessment. Washington, DC: National Academy Press, 2001.
MLA (9th ed.) Zitazioaebrary, Inc, et al. The 2000 Census: Interim Assessment. National Academy Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.