Sawoniak, Henryk, author
K.G. Saur, 1992
Buku Referensi
Gordon, Michael, author
Kogan Page, 1984
Buku Referensi
Gordon, Michael, author
Kogan Page, 1986
Buku Referensi
Vaillancourt, Pauline M., author
Bowker, 1980
Buku Teks
Reitz, Joan M., author
Libraries Unlimited, 2004
Buku Referensi