McNeil, Donald R., author
John Wiley & Sons, 1977
Buku Teks
Giloi, Wolfgang K., author
Prentice-Hall, 1978
Buku Teks
Richter-Gebert, Jurgen, author
Springer, 2012
eBooks
Hildebrand, David K., 1940-, author
Sage, 1977
Buku Teks
Evanthia Lyons, Adrian Coyle
Sage, 2007
Buku Teks