Rapp, Stan, author
McGraw-Hill , 1987
Buku Teks
Barban, Arnold M., author
Richard D. Irwin, 1968
Buku Teks
Clow, Kenneth E., author
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Buku Teks
Belch, George E., author
McGraw-Hill, [date of publication not identified]
Buku Referensi
Belch, George E., author
McGraw-Hill, [, 2004]
Buku Teks