Robert, Collins, author
Harper Collins, 1995
Buku Referensi
Lambert, Rene, author
Ce?padues-Editions, 1991
Buku Referensi
Shau, Wing Chan, author
Stanford University Press, 1946
Buku Referensi
edited by Marie-Helene Correard
Oxford University Press, [Date of publication not identified]
Buku Referensi
Harrap Book Limited, 1991
Buku Referensi