Gaya APA

Press, B., ProQuest, . (2015). Statistical Abstract of the United States 2016: The National Data Book (ProQuest Statistical Abstract Series (ed. 4, desember 2015). : Bernan.

Gaya MLA

Press, Bernan., ProQuest, . "Statistical Abstract of the United States 2016: The National Data Book (ProQuest Statistical Abstract Series". ed. 4, desember 2015 : Bernan, 2015. Text.