Hansen, Michael R., author
Cambrigde University Press , 2013
Buku Teks
Viktoria Zsok, editor
Springer-Verlag , 2012
eBooks
Johnson, Philip I., author
McGraw-Hill, 1985
Buku Teks
Forte, Allen, author
MIT Press, 1968
Buku Teks
Armor, David J., author
Free Press, 1972
Buku Teks