edited by David Canter
John Wiley & Sons, 1980
Buku Teks
Canter, David
Buku Teks
Blackburn, Julian, author
Kegan Paul, Trench, Trubner, 1947
Buku Teks
Blackburn, Julian, author
Routledge & Kegan Paul, 1953
Buku Teks
Bell, Gerard D., author
Prentice-Hall, 1967
Buku Teks