Brandon, Lee, 1965-1993
Wadsworth and Cengage Learning, 2012
Buku Teks
Pack, Alice C.
Newbury House Pub., 1980
Buku Teks
Cambridge University Press , 1989
Buku Teks
V.S. Belevitskaya-Khalizeva ... [and others] ; translated by, V. Korotky; edited by, R. Dixon; designed by, A. Medvedev
Foreign Languages Publishing House, [date of publication not identified]
Buku Referensi
Radford, Andrew
Cambridge University Press, 2009
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