Amling, Frederick, author
Prentice-Hall, 1965
Buku Teks
Jones, Charles P., author
John Wiley & Sons, 2000
Buku Teks
Jones, Charles P., author
John Wiley & Sons,
Buku Teks
Brown, Keith C., author
South-Western, 2009
Buku Teks
Jones, Charles P., author
John Wiley & Sons, 1998
Buku Teks