Stewart, Ian
Chapman & Hall, 1992
Buku Teks SO
Siegel, Daniel M.
Cambridge University Press, 1991
Buku Teks SO
Ginzburg, Abraham
Academic Press, 1968
Buku Teks SO
Bailley, Norman T. J.
Charles Griffin, 1975
Buku Teks SO
Academic Press, 1977
Buku Teks SO