Phillips, Charles L., author
Prentice Hall International, Inc., 1990
Buku Teks
Lam, Harry Y-F.
Prentice-Hall, 1979
Buku Teks
Cavanagh, Joseph J.F., author
McGraw-Hill, 1984
Buku Teks
Cunningham, Edward P., author
Houghton Mifflin, 1992
Buku Teks
Mohamad Lutfi Ismail, author
2015
UI - Skripsi (Membership)