Searle, John R., author
A Member of the Perseus Books Group, 1998
Buku Teks
Chalmers, David J.
Department of philosophy University of California, 1995
Buku Teks
Alexander Moreira-Almeida, Franklin Santana Santos, editors
Springer, 2012
eBooks
Searle, John R., author
MIT Press, 1998
Buku Teks
Pepper, Stephen C.
University of California Press, 1966
Buku Teks