edited by Karen S. Cosby, John L. Kendall
Wolters Kluwer, 2014
Buku Teks
Hirko, Buff
[American Library association, American Library association], 2004
eBooks
Pyzdek, Thomas
McGraw-Hill, 2010
Buku Teks
Pyzdek, Thomas
McGraw-Hill, 2003
Buku Referensi
Overy, Richard
Andre Deutsch, 2014
Buku Teks