Kamien, Roger, author
McGraw-Hill, 1996
Buku Teks
Darnley-Smith, Rachel, author
Sage Publications, 2003
Buku Teks
Kamien, Roger, author
McGraw-Hill, 1998
Buku Teks
Kamien, Roger, author
McGraw-Hill, 1998
Buku Referensi
Youngseon Jo, author
PT Elex Media Komputindo, 2013
Buku Teks