New York Oxford university 1983 ,
Buku Teks
edited by David Morley, Jon E. Rohde and Glen Williams
Oxford University Press, 1983
Buku Teks
Churchill Livingstone, 1997
Buku Teks SO
Balalaev, G.A.
MIR Publishers, 1972
Buku Teks SO
Bishop, Paul L
McGraw-Hill , 2000
Buku Teks SO