
What REFERENCE?
The Big Bang Theory Season 8, Episode 19

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

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

The Star Trek REFERENCE
and the play on words...
The Big Bang Theory Season 2, Episode 22

I marked the calendar
for future REFERENCE.
The Big Bang Theory Season 1, Episode 4