American Library Association, 1988
Buku Referensi
American Library Association, 1984
Buku Referensi
Fleischer, Eugene, author
Neal-Schuman Publishers, Inc. , 1980
Buku Teks
edited by, Alan D. Burnett and Peter J. Taylor
John Wiley & Sons, 1981
Buku Teks
Friedman, Lawrence M., 1930-, author
W.W. Norton, 1984
Buku Teks