National Academy Press, 1992
Buku Teks
Pollitt, Christopher, author
Oxford University press, 2013
Buku Teks
editor, Herbert H.P. Fang
Imperial College Press, 2010
Buku Teks
Mabie, Margot C.J.
Atheneum , 1993
Buku Teks
Badawy, M.K.
McGraw-Hill, 1993
Buku Teks