Carl M. White and associates: William W. Brickman ... [and others]
American Library Assoiation, 1973
Buku Referensi
White, Carl M.
Bedminster Press, 1964
Buku Teks
Galvan, Jose L.
Routledge, 2017
Buku Teks
edited by Nina Hallowell
Open University Press, 2005
Buku Teks
Eaglestone, Robert
Routledge , 2005
Buku Teks