![What reference?
What reference?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
What REFERENCE?
The Big Bang Theory Season 8, Episode 19
![I marked the calendar
for future reference.
I marked the calendar
for future reference.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I marked the calendar
for future REFERENCE.
The Big Bang Theory Season 1, Episode 4
![For future reference,
if I want to watch Mean Girls,
For future reference,
if I want to watch Mean Girls,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
For future REFERENCE,
if I want to watch Mean Girls,
The Big Bang Theory Season 9, Episode 11
![I'm surprised you know that reference.
I'm surprised you know that reference.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I'm surprised you know that REFERENCE.
The Big Bang Theory Season 8, Episode 19
![That is a cleverly veiled reference
to Howard's lifelong obsession...
That is a cleverly veiled reference
to Howard's lifelong obsession...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
That is a cleverly veiled REFERENCE
to Howard's lifelong obsession...
The Big Bang Theory Season 6, Episode 9