Pride, William M., author
South Western Cengage Learning, 2012
Buku Teks
Glos, Raymond E., author
South-Western Publishing, 1947
Buku Teks
Jucius, Michael J., author
Richard D. Irwin, 1961
Buku Teks
Hastings, Paul G., author
McGraw-Hill, 1974
Buku Teks
Straub, Joseph T., author
Kent, 1985
Buku Teks