Pirie, Madsen, 1940-, author
Wildwood House, 1988
Buku Teks
Sullivan, Michael, author
Harvester Wheatsheaf, 1992
Buku Teks
Gilbert, Neil, author
Prentice-Hall, 1986
Buku Teks
Gilbert, Neil, author
Allyn and Bacon, 1998
Buku Teks
Gilbert, Neil, author
Prentice-Hall, 1974
Buku Teks