Nichigai Associates, 1986
Buku Referensi
Sidek, Azizah
National Library Singapore, 1995
Buku Referensi
Viaux, Jacqueline
Garland Publishing, 1985
Buku Referensi
edited by K.R. McColvin
Association of London Chief Librarians, 1978
Buku Referensi
Gale Research, 1991
Buku Referensi