edited by Joan Davidson and Richard Lloyd
John Wiley & Sons, 1979
Buku Teks
Moverley, John
Harper-Collins, 1986
Buku Teks
Larson, Adlowe L.
Prentice-Hall, 1957
Buku Teks
Briggs, David J.
Longman Scientific & Technical, 1994
Buku Teks
edited by M.S. Swaminathan
Academic Foundation, 2007
Buku Teks