Hofstadler, Richard, author
Prentice-Hall, 1895
Buku Teks
Robinson, Alan David, author
Martinus Nijhoff, 1961
Buku Teks
Grilliot, Harold J.
Houghton Miffiln, 1979
Buku Teks
Arnot, Dorothy S.
Macmillan, 1962
Buku Teks
Borde, Raymond
City Lights Books, 2002
Buku Teks