Carl M. White and associates: William W. Brickman ... [and others]
American Library Assoiation, 1973
Buku Referensi
White, Carl M.
Bedminster Press, 1964
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editors, L.T. Morton, S. Godbolt
Butterworth, 1984
Buku Referensi
Blazek, Ron
Libraries Unlimited, 2000
Buku Referensi
Antony, Arthur
John Wiley & Sons, 1979
Buku Teks