Craig, Dorothy Valcarcel
Jossey-Bass, 2009
Buku Teks
Lippincott , 2004
Buku Teks
Marczyk, Geoffrey
John Wiley & Sons, 2005
Buku Teks
Klugh, Henry E.
John Wiley & Sons, 1974
Buku Teks
Pollit, Denise F.
[publisher not identified], [date of publication no identified]
Buku Teks