Halse, Albert O.
McGraw-Hill, 1988.
Buku Teks
Lin, Mike W.
Van Nostrand Reinhold Company , 1985
Buku Teks
Schaller, Thomas Wells
Van Nostrand Reinhold, 1997
Buku Teks
Kuckein, H. Eberhard
Reston Pub. Co, 1984
Buku Teks
Ojeda, Oscar Riera
Rockport Publishers, 1996
Buku Teks