Pakin, Sandra, author
Prentice-Hall, 1973
Buku Teks
Jones, William B., author
Prentice-Hall, 1982
Buku Teks
Paulman, Jack, author
Win C. Brown, 1976
Buku Teks
Polivka, Raymond P., author
Prentice-Hall, 1975
Buku Teks
Harms, Edward, author
John Wiley & Sons, 1977
Buku Teks