Bertens, K. (Kees), author
Daras, 2005
Buku Teks
Brouwer, M.A.W. (Martinus Antonius Wesselinus), 1923-, author
Alumni, 1986
Buku Teks
Mayer, Frederick, author
American Book Company, 1951
Buku Klasik
Hoffding, Harold, author
Dover, 1955
Buku Teks
Kenny, Anthony
Oxford University Press, 2008
Buku Teks