However, the film has little in common with the source material.

The game was more true to the original source material than the movie.

The problem, though, doesn't seem to be the book but the source material.

But there was still the problem of the source material.

He was to use them as source material throughout the rest of his career.

As a result, their source material was sometimes completely turned around.

The two women - the star and her source material - met for the first time on the set.

It's not that I have anything against the source material.

This series provided much of the source material for the box set.

In my next book I wanted to work from an entirely different kind of source material.

He wants to remember on his own, without using the reference book.

Like reference books, they have to be used rather than read.

What is a good reference book about his life and work?

You would have to own 50 reference books to get what's in this one book.

Perhaps it is too new to appear in reference books.

It's the world's best reference book for a car guy.

They form a good reference book for anyone who is interested.

Reference books are available in the Library for the students.

No need to pool tax money to buy reference books.

At the library, we would have found information in some children's reference book or another.