HNLMS O 6 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "HNLMS O 6" in English language version.

refsWebsite

Global rank English rank

2dutchsubmarines.com

low place

low place

dutchsubmarines.com

"Dutch Submarines: The O 6 submarine class". dutchsubmarines.com. 2012. Retrieved 19 July 2013.
"Dutch Submarines: The submarine O 6". dutchsubmarines.com. 2012. Retrieved 19 July 2013.