Gleason, Jean Berko
Pearson, 2005
Buku Teks
Dabrowska, Ewa
Georgetown University Press, 2004
Buku Teks
edited by Janet l. Nicol
Blackwell , 2006
Buku Teks
Hawkins, John A.
Basil Black Well , 1988
Buku Teks
Smith, Michael Sharwood, 1942-
Cambridge University Press, 2017
Buku Teks