Hearn, Donald, author
Prentice-Hall, 1986
Buku Teks
Angel, Edward, author
Pearson, 2015
Buku Teks
Angel, Edward, author
Pearson, 2006
Buku Teks
by Donald Greenberg [and others]
Addison-Wesley, 1982
Buku Teks
Aftab A. Mufti, author
Reston Publishing , 1983
Buku Teks