edited by Larry Earl Bone
Champaign, Illinois University of Illinois Graduate School of Library Science 1968, 1968
Buku Teks
editor, E. Dale Cluff
The Haworth Press , 1990
Buku Teks
edited by Alphonse F. Trezza
G.K. Hall, 1990
Buku Teks
Ray, Colin
UNESCO, 1979
Buku Teks SO
Caputo, Janette S.
AZ Cry Press , 1991
Buku Teks SO