Wald, Robert M.
University of Chicago Press, 1984
Buku Teks SO
Pathria, R.K.
Hindustan, 1974
Buku Teks SO
Schroder, Ulrich E.
World Scientific, 1990
Buku Teks SO
French, A.P.
W.W. Norton, 1968
Buku Teks
Curra, John
Sage Publications, 1999
Buku Teks SO