زیردریایی یو-۴۰ (۱۹۳۸) (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "زیردریایی یو-۴۰ (۱۹۳۸)" in Persian language version.

refsWebsite
Global rank Persian rank
2,553rd place
low place
1st place
1st place
low place
low place

uboat.net

  • Helgason, Guðmundur. "The Type IXA boat U-40". German U-boats of WWII - uboat.net. Retrieved 3 April 2010.
  • Helgason, Guðmundur. "Type IXA". German U-boats of WWII - uboat.net. Retrieved 1 April 2010.

ubootwaffe.net

  • "U-40 Type IXA". ubootwaffe.net. Archived from the original on July 16, 2011. Retrieved 9 October 2015.

web.archive.org

  • "U-40 Type IXA". ubootwaffe.net. Archived from the original on July 16, 2011. Retrieved 9 October 2015.