Dyfyniad APA

ebrary, Inc, Citro, C. F., Cork, D. L., & Norwood, J. L. (2001). The 2000 Census: Interim assessment. National Academy Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Constance F. Citro, Daniel L. Cork, and Janet Lippe Norwood. The 2000 Census: Interim Assessment. Washington, DC: National Academy Press, 2001.

Dyfyniad MLA

ebrary, Inc, et al. The 2000 Census: Interim Assessment. National Academy Press, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.