Close, R.A.
Longmans, 1967
Buku Teks
Close, R.A.
Longmans , 1967
Buku Teks
Alexander, L.G.
Longman , 1988
Buku Teks
L. Astakhova ...[et al.]; editor, N. Fudel
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks
Crowley, Tony, author
Routledge, 1996
Buku Teks