Unwin, R. (1999). George Allen & Unwin: A remembrancer. Privately printed for the author by Merlin Unwin Books.
Chicago-viite (17. p.)Unwin, Rayner. George Allen & Unwin: A Remembrancer. Ludlow [England]: Privately printed for the author by Merlin Unwin Books, 1999.
MLA-viite (8. p.)Unwin, Rayner. George Allen & Unwin: A Remembrancer. Privately printed for the author by Merlin Unwin Books, 1999.
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