edited by Michael Hoskin
Cambridge University Press, 1997
Buku Referensi
Munsterberg, Hugo, 1916-1995, author
Charles E. Tuttle, 1957
Buku Teks
Richards, Denis, author
Longman, Green, 1952
Buku Teks
Kenny, Anthony, author
Blackwell Publishing, 2007
Buku Teks
Lincoln, Roger J., author
Cambridge University Press, 1990
Buku Referensi