Goldman, William, author
Bloomsbury, 2000
Buku Teks
Gavell, Mary Ladd, author
Random House Trade Paperbacks, 2001
Buku Teks
Gavell, Mary Ladd, author
Random House Trade Papaerbacks, 2001
Buku Teks
edited by A.L. Onishchik
Springer-Verlag, 1993
Buku Referensi
Hardinge, Frances, author
Elex Media Komputindo , 2020
Buku Teks