OPEC (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "OPEC" in Polish language version.

refsWebsite

Global rank Polish rank

6,983^rd place

4,260^th place

1^st place

3,931^st place

1,137^th place

bp.com

BP Statistical World Energy Review 2014 [online], BP, 2014 [zarchiwizowane z adresu 2015-10-10] .

BP Statistical World Energy Review 2014 [online], BP, 2014 [zarchiwizowane z adresu 2015-10-10] .