Rue, Leslie W.
McGraw-Hill Publishing Company, Ltd., 1989
Buku Teks
Hunger, J. David, 1941-
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Buku Teks
Dess, Gregory G.
McGraw-Hill, 1993
Buku Teks
Saloner, Garth
John Wiley & Sons, 2001
Buku Teks
Pearlson, Keri E.
John Wiley & Sons, 2009
Buku Teks