Harris, Muriel, author
Prentice-Hall, 1997
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V.S. Belevitskaya-Khalizeva ...[et al.]
Foreign Languages Publishing House, [date of publication not identified]
Buku Referensi
Whitford, Harold C.
Regents Publishing, 1973
Buku Teks
Mellinkoff, David, author
[Publisher not identified], 1992
Buku Teks
Haigh, Rupert, author
Routledge-Cavendish, 2009
Buku Teks