Black, Bruce J., author
Elsevier, 2004
Buku Teks
Black, Bruce J.
Edward Arnold, 1979
Buku Teks
Young, James F., author
John Wiley & Sons, 1959
Buku Teks
Doyle, Lawrence E., author
Prentice-Hall, 1961
Buku Teks
Campbell, James S., author
Tata McGraw-Hill, 1981
Buku Teks