Anchor, Robert D.
Surrey University Press, 1981
Buku Teks SO
Ambrose, James E.
John Wiley & Sons, 1999
Buku Teks SO
Budhu, Muni
John Wiley & Sons, 2008
Buku Teks
Srinivasan, A.V., 1936-
Cambridge University Press, 2001
Buku Teks SO
Tschebotarioff, Gregory P.
McGraw-Hill, 1973
Buku Teks