Casti, John L.
William Morrow , 2000
Buku Teks
Miksic, John N., editor
Eric M. Oey, 1999
Buku Referensi
Mitra, Ananda, author
Sage, 2010
Buku Teks
Feder, Kenneth L., author
McGraw-Hill, 2011
Buku Teks
Feder, Kenneth L., author
McGraw-Hill, 2011
Buku Teks