Albing, Carl
Prentice Hall Professional Technical Reference, 2005
Buku Teks
by Eric Jendrock ... [and others]
Addison-Wesley, 2011
Buku Teks
Horstmann, Cay S.
Sun Microsystems Press, 1997
Buku Referensi
Nagappan, Ramesh
Wiley Publishing, 2003
Buku Teks
Hoisington, Corinne
Cengage Learning, 2013
Buku Teks SO