Dyfyniad APA
Kurian, G. T. (2001). Datapedia of the United States, 1790-2005: America year by year (2nd ed.). Bernan Press.
Dyfyniad Arddull Chicago
Kurian, George Thomas. Datapedia of the United States, 1790-2005: America Year by Year. 2nd ed. Lanham, MD: Bernan Press, 2001.
Dyfyniad MLA
Kurian, George Thomas. Datapedia of the United States, 1790-2005: America Year by Year. 2nd ed. Bernan Press, 2001.
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