edited by Joseph Miller
H.W. Wilson Company, 1997
Buku Referensi
Vriesman, D., 1913-, author
De Beuk, 1994
Buku Teks
Ball, Miriam Ogden, author
Wilson, 1956
Buku Teks
Olson, Hope A., author
Libraries Unlimited, 2001
Buku Teks
Olson, Hope A., author
Libraries Unlimited, 2002
Buku Teks