Carnap, Rudolf, author
Littlefield, Adams , 1959
Buku Teks
Kempson, Ruth M., author
Blackwell , 2001
Buku Teks
Pelc, Jerzy, author
Mouton, 1971
Buku Teks
Schlichting, Liesbeth
Nijmegen University Press, 1996
Buku Teks
edited by Adrian Walker
Addison-Wesley, 1987
Buku Teks