Widmer, Neal S.
Pearson, 2018
Buku Teks
Tocci, Ronald J.
Prentice Hall International, 1998
Buku Teks
Benedetto, Sergio
Kluwer Academic, 1999
Buku Teks
Tocci, Ronald J.
Prentice-Hall, 1985
Buku Teks
Tocci, Ronald J.
Prentice Hall International, 1980
Buku Teks