
If you ever need a REFERENCE
or anything, just let me know.
The Big Bang Theory Season 9, Episode 23

In REFERENCE to a database
much larger than anything
I know of in the park.
Westworld Season 2, Episode 4

For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11

...you'd be in a non-inertial
REFERENCE frame and would...
The Big Bang Theory Season 1, Episode 3

Yeah, for future REFERENCE,
that's a while.
The Big Bang Theory Season 7, Episode 15