edited by Brian Docherty
Macmillan, 1994
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1961
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1966
Buku Teks
Berkowitz, Gerald M., author
Longman, 1994
Buku Teks
Moore, Harry T., author
Heinemann, 1976
Buku Teks