ریو نگرو (آمازون) (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "ریو نگرو (آمازون)" in Persian language version.

refsWebsite

Global rank Persian rank

2britannica.com

40^th place

28^th place

1,580^th place

300^th place

answers.com

Rio Negro. (n.d.). The Oxford Essential Geographical Dictionary. Retrieved November 29, 2011, from Answers.com Web site: http://www.answers.com/topic/rio-ne-gro

britannica.com

Negro River 2011. Encyclopædia Britannica Online. Retrieved 29 November, 2011, from http://www.britannica.com/EBchecked/topic/408185/Negro-River
Solimões River 2011. Encyclopædia Britannica Online. Retrieved 29 November, 2011, from http://www.britannica.com/EBchecked/topic/553415/Solimoes-River