Welsh, James R., author
Erlangga, 1991
Buku Teks
Suswanto Rasidi, author
Universitas Terbuka, 2003
Buku Teks
Sinha, Umakant
Vikas Publishing House , 1982
Buku Teks
Malik, C.P.
Kalyani Publisher, 1982
Buku Teks
Adi Basukriadi, author
Universitas Terbuka, 2003
Buku Teks