Svigals, Jerome
Macmillan, 1985
Buku Teks
Miller, William, author
American Management Association, 2007
eBooks
Mehta, N.K., author
Tata McGraw-Hill, 1984
Buku Teks
Mehta, N.K., author
Tata McGraw-Hill , 1984
Buku Teks
Mitton, Maureen
John Wiley & Sons, [date of publication not identified]
Buku Teks