Kirshner, Jonathan, author
Princenton University Press, 1995
Buku Teks
Artikel Jurnal
Davis, Lance E., author
Richard D. Irwin, 1965
Buku Teks
Chomsky, Noam, author
Penguin in association with Chatto & Windus, 1969
Buku Teks
Scott Frickel; Kelly Moore, editor
University of Wisconsin Press , 2006
Buku Teks