Brandon, Lee, 1965-1993
Wadsworth and Cengage Learning, 2012
Buku Teks SO
Pack, Alice C.
Newbury House Pub., 1980
Buku Teks SO
edited by Brian MacWhinney and Elizabeth Bates
Cambridge University Press, 1989
Buku Teks SO
Radford, Andrew
Cambridge University Press, 2009
eBooks
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