edited by Barry Turner
Macmillan, 1995
Buku Referensi
Hacker, Diana
Bedford Books of St. Martin?s Press, 1995
Buku Teks
Brooks, Brian S., author
St. Martin`s Press, 1993
Buku Teks
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi