Gilman, Leonard, author
John Wiley & Sons, 1970
Buku Teks
Gilman, Leonard, author
John Wiley & Sons, 1976
Buku Teks
Angel, Edward, author
Pearson, 2015
Buku Teks
Grant, Clive, author
Prentice-Hall, 1989
Buku Teks
Berg, Clifford J.
Sun Microsystems Press, 2000
Buku Referensi