What is the best C++ reference?

Question

Looking for a reference that includes C++11.
Sometimes I have no access to internet, so it must be offline if possible.
I'm not talking about tutorial book. But a reference.

Answer 1

You may check out this thread if you need more links.

https://www.sololearn.com/Discuss/204501/?ref=app

Answer 2

Ok. I found one here:
http://en.cppreference.com/w/Cppreference:Archives