Henderson, Glenn V., author
Addison-Wesley, 1984
Buku Teks
Young, David W., author
Crimson Press Curriculum Center, 1994
Buku Teks
Henderson, Glenn V., author
Addison-Wesley, 1984
Buku Teks
Brigham, Eugene F., 1930-, author
The Dryden Press, 1990
Buku Teks
Schall, Lawrence D., author
Tata McGraw-Hill , 1983
Buku Teks