Khan, Emdad H.
Oxford & IBH Publishing, 1987
Buku Teks
Elliott, C. Orville
Richard D. Irwin, 1970
Buku Teks
Long, Larry E.
Prentice-Hill, 1984
Buku Teks
Davis, William S.
Addison-Wesley, 1981
Buku Teks
Mandell, Steven L.
West Publishing, 1982
Buku Teks