
...you might wanna skip the REFERENCE
to bowel movements.
The Big Bang Theory Season 1, Episode 1

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

That is a cleverly veiled REFERENCE
to Howard's lifelong obsession...
The Big Bang Theory Season 6, Episode 9

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

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