Minto, Barbara
Minto International , 1996
Buku Teks
Neimark, Edith D.
Harcourt Brace Javanovich, 1987
Buku Teks
Fogler, H. Scott
Prentice-Hall, 2014
Buku Teks
Fogler, H. Scott
Prentice-Hall, 2008
Multimedia
Fogler, H. Scott
Prentice-Hall, 2008
Multimedia