Baker, James C.
Prentice-Hall, 1998
Buku Teks SO
edited by Ryuzo Sato, Richard M. Levich, and Rama V. Ramachandran
Cambridge University Press, 1995
Buku Teks SO
Baily, Martin Neil
Richard D. Irwin, 1995
Buku Teks
Honeygold, Derek
Woodhead-Faukner , 1989
Buku Teks SO
Levi, Maurice D., 1945-
McGraw-Hill, 1990
Buku Teks SO