Kapoor, Jack R., 1937-, author
McGraw-Hill/Irwin, 2004
Buku Teks
Stillman, Richard J.
Prentice-Hall, 1972
Buku Teks
Greene, Mark R.
South-Western Publishing CO., 1983
Buku Teks
Kapoor, Jack R., 1937-, author
McGraw-Hill , 2004
Buku Teks
Unger, Maurice A.
Massachusetts Allyn and Bacon, 1969
Buku Teks