Which / That

[yog]

Hi,

Please advise when to use Which / That.

For example:
A picture which painters paint in the studio
or
A picture that painters paint in the studio

Thanks

[Marius Hancu]

From the official manual of style:

http://www.chicagomanualofstyle.org/CMS_FAQ/Whichvs.That/Whichvs.That01.html

[OddThomas]

Marius, the manual did not come from Mount Olympus. It's not really that official, though it is very, very good. (There are others, too.)