Dieterich, Thomas G.
Center for Applied Linguistics, 1979
Buku Teks
London, 2004
Buku Teks SO
Fred Genesee, Kathryn Lindholm-Leary, William M. Saunders, Donna Christian
Cambridge University Press, 2008
Buku Teks SO
edited by Fred Genesee ...[et al.]
Cambridge University Press, 2006
Buku Teks SO
Ian Thomson, editor
McGraw-Hill Education, 2010
Buku Teks