Winkel, David, author
Prentice-Hall, 1980
Buku Teks
Hohenstein, Louis, author
McGraw-Hill, 1980
Buku Teks
Moschytz, George S., author
John Wiley & Sons, 1981
Buku Referensi
Monte Jay Meldman ... [et.al]
Van Nostrand Reinhold, 1978
Buku Teks
Harrison, H.B., 1930-, author
Pergamon Press, 1979
Buku Teks