The Law Printer, 1992
Buku Teks
Pieper, F. C., author
CBD Research Ltd., 1978
Buku Teks
Pieper, F. C., author
CBD Research Ltd., 1978
Buku Teks
Fea, Valerie
Wiltshire Library & Museum Service, 1979
Buku Referensi
Institute fo Scientific Information, 1981
Buku Referensi