Blazek, Ron, author
Libraries Unlimited, 2000
Buku Referensi
edited by Stuart E. Rosenberg
University of Toronto Press, 1962
Buku Teks
Institute of Humanities, Human and Social Sciences, Ritsumeikan University,
Majalah, Jurnal, Buletin
Universiti Putra Malaysia Press,
Majalah, Jurnal, Buletin
DC Heath and Company , 1980
Buku Teks