Williams, Arthur Bernard, 1940-
McGraw-Hill, 1995
Buku Referensi
edited by Mark Fintel
Van Nostrand Reinhold, 1974
Buku Referensi
Flanagan, William M.
McGraw-Hill , 1993
Buku Teks
Sinha, S. N.
Tata McGraw-Hill, 1996
Buku Referensi
Walsh, Ronald A.
TPR, 1990
Buku Teks