Bodnar, George H., author
Prentice-Hall International, 1998
Buku Teks
Leitch, Robert A., author
Prentice-Hall, 1983
Buku Teks
Page, John R., 1949-, author
Prentice-Hall International, 1992
Buku Teks
Wu, Frederick H., author
McGraw-Hill, 1983
Buku Teks
Davis, James R., author
John Wiley & Sons, 1990
Buku Teks