Frost, Carolyn O., author
Libraries Unlimited, 1989
Buku Teks
Wynar, Bohdan S.
Libraries Unlimited, Inc., 1967
Buku Teks
Beaty, Wayne H., editor
McGraw-Hill Publishing Company, 1990
Buku Referensi
Bryant, David, author
Connecticut Library Professional, 1987
Buku Teks
Hall, John W., author
University of Michigan Press, 1954
Buku Teks