波爾克縣 (俄勒岡州) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "波爾克縣 (俄勒岡州)" in Chinese language version.

refsWebsite

Global rank Chinese rank

2webcitation.org

24^th place

29^th place

45^th place

115^th place

1,652^nd place

4,495^th place

census.gov

quickfacts.census.gov

State & County QuickFacts. United States Census Bureau. [2013-11-15]. （原始内容存档于2011-07-17）.

naco.org

Find a County. National Association of Counties. [2011-06-07]. （原始内容存档于2012-07-12）.

webcitation.org

State & County QuickFacts. United States Census Bureau. [2013-11-15]. （原始内容存档于2011-07-17）.
Find a County. National Association of Counties. [2011-06-07]. （原始内容存档于2012-07-12）.