Harvard Business School Press, 2003
Buku Teks
Davies, David B., author
McGraw-Hill, 1985
Buku Teks
Gitman, Lawrence J., author
Addison-Wesley, 2000
Buku Teks
Gitman, Lawrence J., author
Addison-Wesley, 1997
Buku Teks
Lerner, Eugene M., author
Harcourt Brace Jovanovich , 1971
Buku Teks