Nellen, Annette
Prentice-Hall, 1999
Buku Teks
Glos, Raymond E.
South-Western Publishing, 1967
Buku Teks
Glos, Raymond E.
South-Western Publishing, 1963
Buku Teks
Hsiung, Chuan-Chih
John Wiley & Sons, 1981
Buku Teks
Ralston, Anthony
McGraw-Hill, 1978
Buku Teks