Dwi Anjar Feriana
Universitas Indonesia, 2011
UI - Skripsi (Open)
Cox, Alwyn
Dian Rakyat, [date of publication not identified]
Buku Teks
Cox, Paul
Currency Press, 1998
Buku Teks
Cox, Homer T.
Twayne Publishers, 1967
Buku Teks
Cox, D. R. (David Roxbee)
Methuen , 1963
Buku Teks