Marsh, William M.
John Wiley & Sons, 2005
Buku Teks
Rittman, Bruce E.
McGrow-Hill , 2001
Buku Teks
Marsh, William M.
John Wiley & Sons, 1998
Buku Teks
Lerche Ian
McGraw-Hill, 2001
Buku Teks
Cunningham, William P.
McGraw-Hill, Higher Education, 2009
Buku Teks