consultant editor, D.E. Hathway
Harrap, 1985
Buku Referensi
Tremblay, Michel
Vancouver Talonbooks 1974
Buku Teks
Williams, Malcolm, 1953-, author
Routledge, 2000
Buku Teks
University of Tokyo , 1968
Buku Teks
Machiavelli, Niccolo, author
Routledge & Kegan Paul, 1950
Buku Teks