Pring, Martin J., author
McGraw-Hill, 2012
Buku Teks
Armstrong III, Frank, author
[American Management Association, ], 2004
eBooks
Gitman, Lawrence J., author
Pearson addison wesley, 2008
Buku Teks
Stark, Brian J.
Dow Jones-Irwin, 1983
Buku Teks
Corrado, Charles J.
McGraw-Hill , 2002
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