Bach, George Leland, author
Prentice-Hall, 1956
Buku Teks
Harrod, R.F., author
Macmillan, 1956
Buku Teks
Ropke, Wilhelm
Eugen Rentsch Verlag, 1961
Buku Teks
Perlman, Richard, author
Dryden Press, 1972
Buku Teks
edited by J.P. Nieuwenhuysen and P.J. Drake
Melbourne Unversity Press, 1977
Buku Teks