Laidler, David E.W.
Harper Collins College , 1993
Buku Teks
Goeltom, Miranda S.
Gramedia Pustaka Utama , 2007
Buku Teks
Barnes, J.A.
Cambridge University Press, 1990
Buku Teks
edited by Reavis Cox and Wroe Alderson
Richard D. Irwin, 1950
Buku Teks
Jackson, Frank
Routledge, 1997
Buku Teks