Scott, George M., author
McGraw-Hill, 1986
Buku Teks
McLeod, Raymond, author
Pearson Prentice Hall, 2004
Buku Teks
McLeod, Raymond, author
Prentice Hall International, 1995
Buku Teks
Kroenke, David M., 1946-, author
McGraw-Hill, 1989
Buku Teks
Post, Gerald V.
MCGraw-Hill , 2003
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