Gartner, Leslie P.
Lippincott Williams-Wilkins, 2014
Buku Teks SO
Sook-Bin, Hoo
Elsevier Saunder, 2012
Buku Teks SO
Telford, Sam R.
CRC Press, 2009
Buku Referensi
Gartner, Leslie P.
Wolters Kluwer, 2014
Buku Teks SO
Young, Barbara
Churchill Livingstone Elsevier, 2011
Buku Teks SO