Arthur, Diane
American Management Association, 2000
eBooks
Linoff, Gordon S.
Wiley publishing, 2011
Buku Teks
Perron, Robert
Information Sciences Inc., 1981
Buku Teks
Ross, Ronald G.
Amacom, 1978
Buku Teks
Freeman, Donald E.
Hayden Book Company, 1977
Buku Teks