Ligomenides, Panos A., author
Holt, Rinehart and Winston, 1969
Buku Teks
Fouri, William M., author
Prentice-Hall, 1989
Buku Teks
Long, Larry E., author
Prentice-Hill, 1984
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1978
Buku Teks
Doyle, Lauren B., author
John Wiley & Sons, 1975
Buku Teks