edited by Martin Shepperd
McGraw-Hill, 1993
Buku Teks
Deutsch, Michael S., author
Prentice-Hall, 1982
Buku Teks
Grady, Robert B., 1943-, author
Prentice-Hall, 1992
Buku Teks
Schach, Stephen R., author
Aksen Associates, 1990
Buku Teks
Sommerville, Ian, author
Pearson, 2016
Buku Teks