Gleason, Jean Berko
Pearson, 2005
Buku Teks
Caplan, David
MIT Press, 1993
Buku Teks
Bancroft, W. Jane
Gordon and Breach, 1999
Buku Teks
edited by Janet l. Nicol
Blackwell , 2006
Buku Teks
Smith, Michael Sharwood, 1942-
Cambridge University Press, 2017
Buku Teks