Williams, A. R. Billions of books: Albert Rhys Williams. The writer in a changing world.(1937).
Chicago-Zitierstil (17. Ausg.)Williams, Albert Rhys. "Billions of Books: Albert Rhys Williams." The Writer in a Changing World.(1937) .
MLA-Zitierstil (8. Ausg.)Williams, Albert Rhys. "Billions of Books: Albert Rhys Williams." The Writer in a Changing World.(1937), .
警告：這些引文格式不一定是100％准確.