From which issue of EW magazine is this particular The Big Bang Theory photograph from?

Hi, I am a big fan of The Big Bang Theory and i came across
photograph,

http://www.fanpop.com/spots/jim-parsons/images/8489618/title/jim-with-kaley-johnny-entertainment-weekly-magazine-photo

I learn from the tags below that its from the EW (Entertainment
Weekly)Magazine, I would like to know from which issue is it exactly
from?