Honolulu University of hawaii 1982 ,
Buku Teks
Evenson, Renee, 1951-
Society for Industrial and Applied Mathematics, 2007
eBooks
Allan, Barbara
Library Association Publishing, 2000
Buku Teks SO
edited by Anne Grodzins Lipow and Deborah A. Carver
American Library Association, 1992
Buku Teks SO
edited by Andrea Wigbels Stewart, Carlette Washington-Hoagland, Carol T. Zsulya
Illinois ALA Editions, 2013
Buku Teks SO