Cassell, Kay Ann, author
Facet Publishing, 2006
Buku Teks
Coffman, Steve, author
[American Library association, American Library association], 2003
eBooks
David R. Lankes ... [and others]
Facet Publishing, 2006
Buku Teks
Hirko, Buff, author
[American Library association, American Library association], 2004
eBooks
Haworth Press, 1986
Buku Referensi