edited by Robert M. Hashway
Praeger, 1990
Buku Referensi
Cockerham, William C
Prentice-Hall, 1986
Buku Teks
Fox, William
MicroCase Coorporation, 1995
Buku Teks
Edwards, John
Mayhem, 1977
Buku Teks
Schlesinger, Arthur Meier, author
W.W. Norton, 1992
Buku Teks