Referências
[1] http://java.sun.com/docs/books/tutorial/java/concepts/index.html
[2] http://www.cyberdine-object-sys.com/oofaq
[3] http://ieva.maf.vu.lt/~mario/tutorial/tutorial.html
[4] http://progwww.vub.ac.be/prog/general/intro_OO.html
[5] Texto do Fábio Ferraz
[6] Booch 91, p. 45
[7] Coad 91, 1.1.2
[8] Booch 91, p. 80
[9] http://www.soft-design.com/softinfo/
[10] http://www.geocities.com/SilliconValley/Way/2374/tutorial2.html
[11] Booch 91, p. 77
Aula produzida por Leonardo Mendes Simão, Rafael de O. Valle dos Santos e Rafael Sabbagh Armony