Brouwer, Martinus Antonius Wesselinus, 1923-
Alumni, 1986
Buku Teks
Mayer, Frederick
American Book Company, 1951
Buku Klasik
Hoffding, Harold
Dover, 1955
Buku Teks
Kenny
Oxford University Press, 2008
Buku Teks
Hoffding, Harold
Macmillan, 1955
Buku Teks