edited by E.W. Elcock and Donald Michie
Ellis Horwood, 1977
Buku Teks
Ellis Hrwood Limited, 1979
Buku Teks
Winston, Patrick Henry, author
Addison-Wesley, 1993
Buku Teks
Andrew, A.M., author
Abacus Press, 1983
Buku Teks
Rich, Elaine, author
McGraw-Hill, 1983
Buku Teks