Holt, Charles A.
John Wiley & Sons, 1978
Buku Teks
Bapat, Y.N., author
Tata McGraw-Hill, 1992
Buku Teks
Weyerer, Manfred
Prentice-Hall, 1992
Buku Teks
Comer, David J., author
Addison-Wesley, 1978
Buku Teks
Millman, Jacob, author
Erlangga, 1986
Buku Teks