Gaya APA
ProQuest Statistical Abstract of the United States 2016. (2016).
:
Bernan.
Gaya Chicago
ProQuest Statistical Abstract of the United States 2016.
.
:
Bernan,
2016.
Text.
Gaya MLA
ProQuest Statistical Abstract of the United States 2016.
.
:
Bernan,
2016.
Text.
Gaya Turabian
ProQuest Statistical Abstract of the United States 2016.
:
Bernan,
2016.
Print.