Brinkmann, Svend, author
Sage Publications , 2015
Buku Teks
Reynolds, John C., author
Prentice-Hall, 1978
Buku Teks
O`Keefe, Richard A., author
MIT Press, 1990
Buku Teks
Yates, Edward D., author
Contemporary Publishing Company, 1981
Buku Teks
Hatcher, Jeffrey, author
Story Press, 1996
Buku Teks