Brammer, Lawrence M., author
Prentice-Hall, 1988
Buku Teks
Chang, Valeri, author
Cengage Learning, 2013
Buku Teks
Whittaker, James K., author
Aldine, 1975
Buku Teks
Loughary, John W., author
McGraw-Hill, 1979
Buku Teks
Thomas, Edwin J., author
Sage, 1984
Buku Teks