Puckett, Jason, 1969-
Association of College and Research Libraries, a division of the American Library Association, 2015
Buku Teks SO
edited by Bill Katz and Ruth A. Fraley
Haworth Press, 1986
Buku Referensi
Coffman, Steve
American Library association, 2003
eBooks
Kuhlthau, Carol Collier, 1937-
Libraries Unlimited, 2004
Buku Teks SO
edited by Kylie Bailin, Benjamin Jahre, Sarah Morris
Chandos Publishing, 2018
Buku Teks SO