Jones, Karen
Elsevier, 2011
Buku Teks
edited by Gerald M. Rosen, B. Christopher Frueh
John Wiley & Sons, 2010
Buku Teks
Phillips, Linda R. Fraelich
Appleton-Century Crofts, 1986
Buku Teks
Bonakdar, Robert Alan
Kluwer, 2010
Buku Teks
Koren, Gideon author
McGraw-Hill, 2007
Buku Referensi