Reference to equations

In my opinion, for equations the best is to use \eqref{}.

How to use reference to page number

For good or bad, I extensively use \autoref from the hyperref package. Mainly because it's simple.

Well there's a command named \autopageref{} which replaces \pageref{} and does exactly what I wanted. More info here.

How to write parenthesis when referring to equation with \autoref

http://tex.stackexchange.com/questions/153496/combining-autoref-and-eqref