Ord-Hume, Arthur W. J. G. (1967). Collecting musical boxes and how to repair them. Crown Pub.
Lua i Stíl Chicago (17ú heag.)Ord-Hume, Arthur W. J. G. Collecting Musical Boxes and How to Repair Them. New York: Crown Pub, 1967.
Lua MLA (9ú heag.)Ord-Hume, Arthur W. J. G. Collecting Musical Boxes and How to Repair Them. Crown Pub, 1967.
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