Davis, Keith, 1918-, author
McGraw-Hill, 1984
Buku Teks
Saloner, Garth, author
John Wiley & Sons, 2001
Buku Teks
Greenley, Gordon E., author
Prentice-Hall, 1989
Buku Teks
David, Fred R., author
Prentice-Hall, 1997
Buku Teks
David, Fred R., author
Prentice-Hall, 1995
Buku Teks