Samuel, Myra L., author
Pearson - Prentice Hall, 2003
Buku Teks
Schork, M. Anthony, author
Prentice-Hall, 2000
Buku Teks
Dunn, Olive Jean, author
John Wiley & Sons, 1977
Buku Teks
Samuel, Myra L., author
Prentice Hall Inc., 1999
Buku Teks
Brown, Byron Wm, author
John Wiley & Sons, 1977
Buku Teks