Philosophy and History : a review of German language research contributions on philosophy, history and cultural developments
Tubingen : Laupp & Gobel
 Majalah, Jurnal, Buletin
Key Thinkers in linguistics and the Philosophy of language
Edinburgh, Edinburgh University Press, 2005
 Buku Referensi
Language in thought and action
 Buku Teks
Philosophy and phenomenological research : a quarterly journal
Buffalo : University of Buffalo
 Majalah, Jurnal, Buletin
Language :journal of the linguistic society of America
Baltimore : The Linguistic Society of America
 Majalah, Jurnal, Buletin