Porat, Dan I
John Wiley & Sons, 1979
Buku Teks
Gothmann, William H.
Prentice-Hall, 1982
Buku Teks
Bignell, James, author
McGraw-Hill, 1985
Buku Teks
Samuel H. Tirtamihardja, author
Andi, 1996
Buku Teks
Givone, Donald D., author
McGraw-Hill, 2003
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