Tschebotarioff, Gregory P.
McGraw-Hill, 1951
Buku Teks
Budhu, Muni
John Wiley & Sons, 2008
Buku Teks
Punmia, B.C.
Standard Book House, 1981
Buku Teks
Buhdhu, Muni
John Wiley & Sons, 2011
Buku Teks
Scott, C. R.
Applied Science Publishers Ltd, 1974
Buku Teks