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.
MIT Press, 1998
Buku Teks
Pepper, Stephen C.
University of California Press, 1966
Buku Teks
Sturgeon, Scott, 1961-
Routledge, 2000
Buku Teks